Which Pool Cleaning Robot Keeps Your Pool Spotless in 2026?#

Key Takeaway

The best pool cleaning robot in 2026 is the Dolphin Nautilus CC Plus Wi-Fi at $948. It covers pools up to 50 feet, climbs and scrubs walls on any surface type, and connects via Wi-Fi for app-scheduled cleanings from anywhere. For Amazon Alexa control and pools up to 60 feet, the Polaris 9650iQ Sport at $999 is the top smart-home alternative. Budget shoppers get proven Maytronics performance from the Dolphin E10 at $568, and the Zodiac MX6 at $349 is the lowest-cost corded entry using existing pool pump infrastructure.

The best pool cleaning robot in 2026 is the Dolphin Nautilus CC Plus Wi-Fi at $948 - it cleans floors and walls in pools up to 50 feet, ships with a Universal Caddy for tangle-free cable storage, and lets you schedule cleanings remotely via Wi-Fi. Whether you own an inground plaster pool, an above-ground vinyl liner, or a freeform lagoon, there is now a robotic cleaner purpose-built for your situation at every budget tier. Prices in this roundup span from $179 for the Hayward AquaVac 250 Li to $2,299 for the AI-navigated Beatbot AquaSense 2 Pro. ^[1]

Robotic cleaners operate on their own dedicated motor, independent of your pool pump, which means they use significantly less energy than suction-side or pressure-side alternatives while delivering finer filtration. ^[2] We evaluated all eight models across cleaning coverage, navigation consistency, wall-climbing reliability, filter quality, and ease of maintenance. The results below represent the strongest performers at every price point for the 2026 pool season.

Best Pool Cleaning Robots of 2026 - Quick Comparison

Product	Price	Our Rating	Coverage	Best For
Dolphin Nautilus CC Plus Wi-Fi	$948.00	4.8/5	Floor + Walls	Best Overall
Polaris 9650iQ Sport	$999.00	4.6/5	Floor + Walls + Waterline	Best Smart Integration
Dolphin Nautilus CC (33 FT)	$699.00	4.5/5	Floor + Walls	Best Mid-Range
AIPER Seagull Pro ZT6002	$699.99	4.4/5	Floor + Walls + Waterline	Best Cordless
Dolphin E10	$568.00	4.3/5	Floor + Walls	Best Budget
Hayward AquaVac 250 Li	$179.00	4.0/5	Floor Only	Best Ultrabudget Cordless
Beatbot AquaSense 2 Pro	$2,299.00	4.5/5	Floor + Walls + Waterline + Surface	Best AI Navigation
Zodiac MX6	$349.00	4.0/5	Floor + Walls	Best Suction-Side

Dolphin Nautilus CC Plus Wi-Fi

Is This Still the Best Overall Pool Robot?#

🥇Editor's ChoiceBest Overall

Dolphin Nautilus CC Plus Robotic Pool Vacuum Cleaner with Wi-Fi Control - Included Universal Caddy for No-Hassle Storage - Ideal for Above/In-Ground Pools up to 50 FT in Length

$948.00

CONVIENENT STORAGE & TRANSPORT: Easily move and store your Dolphin Nautilus CC Plus Wi-Fi with the added Universal Caddy. The tangle-free cable holder keeps your robot cable organized.
ALWAYS CONNECTED: With the Dolphin Nautilus CC Plus robotic pool vacuum cleaner, schedule your pool cleanings from anywhere with always connected Wi-Fi.
WALL-SCRUBBING POWER: Our Dolphin robot pool cleaner climbs walls efficiently, ensuring thorough cleaning on any pool surface, no matter the shape or surface type.

✓ In Stock

The Dolphin Nautilus CC Plus Wi-Fi at $948 is the best overall pool cleaning robot of 2026 - Wirecutter named it the top pick for the fourth consecutive year, citing consistent wall-climbing and dual-filter performance across head-to-head pool testing. ^[1] Its active scrubbing brushes work on plaster, fiberglass, vinyl, and tile without damaging surfaces, while always-connected Wi-Fi means you can trigger a cleaning cycle from your phone at any time - useful when guests are arriving and the pool needs a fast turnaround.

The included Universal Caddy is a genuine differentiator at this price point: most competing robots require a separate $80–$120 accessory for organized storage and transport. The tangle-free cable holder keeps the 60-foot cord from knotting between sessions. Who this is NOT for: owners of pools exceeding 50 feet, who should consider the Polaris 9650iQ Sport ($999, rated to 60 feet), or buyers who require waterline scrubbing on every cycle.

Polaris 9650iQ Sport

Does Amazon Alexa Make Pool Cleaning Truly Hands-Free?#

Best for: Tech-savvy pool owners with inground pools up to 60 feet who want Amazon Alexa voice control, full iAquaLink app scheduling, and superior wall-climbing on steep-angle pools

Strengths

+Amazon Alexa and Google Assistant voice control
+iAquaLink app with dirty canister indicator
+4WD traction for 45-degree angled pool walls
+70-foot swivel cable prevents tangling in large pools
+Covers inground pools up to 60 feet

Limitations

−$999 is a $51 premium over the Dolphin Nautilus CC Plus Wi-Fi for similar cleaning
−iAquaLink account setup adds friction versus plug-and-play competitors
−Requires stable 2.4GHz Wi-Fi signal near the pool equipment pad

Dolphin Nautilus CC

What Do You Give Up Below $700?#

🥉Also GreatBest Mid-Range

Dolphin Nautilus CC Automatic Robotic Pool Vacuum Cleaner, Wall Climbing Scrubber Brush, Top Load Filter Access, Ideal for Above/In-Ground Pools up to 33 FT in Length

$699.00

WALL-SCRUBBING POWER: Dolphin Nautilus CC climbs walls efficiently, ensuring thorough cleaning on any pool surface, no matter the shape or surface type.
ACTIVE SCRUBBING: Elevate your pool maintenance with the Dolphin Nautilus CC - active scrubbing brush eliminates manual effort, guaranteeing a pristine pool. Gentle on surfaces, tough on debris.
EASY FILTER CARE: Effortlessly maintain a clear pool with our user-friendly top-load filter basket. Easily remove debris for crystal-clear water, enhancing your swimming experience.

✓ In Stock

The Dolphin Nautilus CC at $699 is the right pick for above-ground or smaller inground pools up to 33 feet where budget matters more than remote scheduling. Maytronics uses the same active scrubbing brush mechanism across the CC and CC Plus lines, so floor and wall cleaning quality is functionally equivalent between the two - the $249 difference buys you Wi-Fi connectivity, the Universal Caddy, and 17 additional feet of pool coverage. Who this is NOT for: owners of pools longer than 33 feet or anyone who wants app-controlled scheduling, for whom the Dolphin Nautilus CC Plus Wi-Fi at $948 is the appropriate upgrade.

AIPER Seagull Pro ZT6002

Can Cordless Finally Compete With Corded Pool Robots?#

AIPER Cordless Robotic Pool Cleaner, WavePath Navigation, Wall-Climbing, Quad-Motor, 150 mins Runtime for Inground Pools up to 1,600 sq.ft, Seagull Pro ZT6002

Best Cordless

$699.99

Smart WavePath Navigation: The Aiper pool robot vacuum features the four-motor WavePath navigation system, ensuring efficient, thorough cleaning of the pool floor, walls, and waterline - all with minimal energy
Powerful Wall-Climbing Cleaning: Equipped with a four-wheel-drive system, the pool cleaner easily climbs walls and effectively scrubs the waterline. It offers three cleaning modes: Floor, Wall, and Auto, giving you flexible control over the cleaning process
Quad-Motor Strong Performance: Powered by four motors delivering up to 196W, the Aiper pool vacuum for inground pools filters up to 80 gallons of water per minute, capturing leaves, dirt, pebbles, branches, and more

✓ In Stock

The AIPER Seagull Pro ZT6002 at $699.99 is the best cordless pool robot for owners who find cable management the single most frustrating aspect of pool robot ownership. Its WavePath four-motor system delivers 196W of power, filtering up to 80 gallons per minute while the quad-drive climbs walls and scrubs the waterline - performance previously exclusive to corded robots above $1,000. The 150-minute battery runtime covers 1,600 square feet per charge, which encompasses the vast majority of residential pools without a mid-session recharge. Who this is NOT for: buyers with pools over 1,600 sq. ft. or anyone who wants app-based remote scheduling, where a corded Wi-Fi model is more practical.

Dolphin E10

Is $568 Enough for a Trustworthy Pool Robot From a Reputable Brand?#

Dolphin E10 Automatic Robotic Pool Vacuum Cleaner, Active Scrubber Brush, Top Load Filters Access

Best Budget

$568.00

ACTIVE SCRUBBING: Elevate your pool maintenance with the Dolphin E10 - active scrubbing brush eliminates manual effort, guaranteeing a pristine pool. Gentle on surfaces, tough on debris.
EASY FILTER CARE: Effortlessly maintain a clear pool with our user-friendly top-load filter basket. Easily remove debris for crystal-clear water, enhancing your swimming experience.
PLUG-AND-PLAY EFFICIENCY: Make pool cleaning a breeze with our simple plug-and-play system. Just plug in, drop into the pool, and power on for a spotless pool in 1.5 hours.

✓ In Stock

The Dolphin E10 at $568 is the best first step into robotic pool cleaning for above-ground pool owners who currently vacuum manually. Maytronics' plug-and-play design means there is no configuration required - drop it in, power it on, and the 1.5-hour cycle runs without supervision. The top-load filter basket lifts out cleanly for debris disposal without requiring you to flip the unit over or disassemble anything. Who this is NOT for: buyers who need Wi-Fi scheduling, wall-climbing coverage, or pool coverage beyond what a basic above-ground setup requires - for those cases, the Dolphin Nautilus CC at $699 adds wall-climbing at a modest premium.

Key Takeaway

The best budget pool cleaning robot is the Dolphin E10 at $568. Built by Maytronics - the most trusted manufacturer in robotic pool cleaning - the E10 delivers active brush scrubbing and top-load filter access with a complete 1.5-hour cleaning cycle. No configuration or app account is needed: plug it in, drop it in the pool, and it runs. For flat-bottomed above-ground pools with smaller footprints, the Hayward AquaVac 250 Li at $179 offers cordless cleaning at the lowest price in this roundup.

Hayward AquaVac 250 Li

Can You Really Automate Pool Cleaning for $179?#

Hayward W3RCH200CU AquaVac 250 Li Cordless Robotic Pool Cleaner for Flat-Bottomed Pools (Automatic Pool Vaccum)

Best Ultrabudget Cordless

$179.00

CORDLESS DESIGN: AquaVac 25Li cordless robotic cleaner provides superior performance without the hassle of tangled cords or getting stuck. its equipped with a floating retrieval string for easy removal
EXTENDED BATTERY LIFE: its extended battery life lasts up to 2 hours which is 25% longer than most other cordless cleaners
MORE DEBRIS PICKUP: A large debris canister adds 30% more debris pickup, reducing the need for frequent emptying

✓ In Stock

The Hayward AquaVac 250 Li at $179 is the right pick for flat-bottomed above-ground pool owners who want the convenience of automation without spending more than $200. Its cordless design eliminates the tangle risk that frustrates corded robot users, and the 30% larger-than-average debris canister means fewer interruptions during a cleaning session. The floating retrieval string makes pulling the robot out of the water simple and splash-free. Who this is NOT for: owners of pools with walls, textured surfaces, algae problems, or any inground pool setup - for those scenarios, the Dolphin Nautilus CC at $699 or the AIPER Seagull Pro ZT6002 at $699.99 provide the active scrubbing and wall-climbing coverage required.

Beatbot AquaSense 2 Pro

Is $2,299 Justified for AI Pool Cleaning?#

Best for: Owners of large freeform or irregular inground pools up to 3,875 sq. ft. who want the most comprehensive single-device pool cleaning system available and prioritize cutting-edge navigation over brand heritage

Strengths

+5-in-1 cleaning: floor, walls, waterline, surface skimming, and water clarification
+App-controlled surface navigation - direct the robot precisely from your phone
+Covers pools up to 3,875 sq. ft. - largest coverage area in this roundup
+Clarifies up to 99,000 gallons using natural crab-shell agents
+Submarine propulsion for quiet, efficient underwater movement

Limitations

−$2,299 is $1,300 more than the runner-up Polaris 9650iQ Sport
−Crab-shell clarifying agents are a recurring consumable cost
−Newer brand with less established service network than Dolphin or Hayward
−Overkill for standard rectangular pools under 1,500 sq. ft.

Zodiac MX6

Is a Suction-Side Cleaner Still Relevant in 2026?#

Zodiac MX6 Suction-Side In-Ground Pool Cleaner, Cyclonic Suction and X-Trax for Extreme Maneuverability

Best Suction-Side

$349.00

SMALL AND MIGHTY SUCTION-SIDE CLEANER: The Zodiac MX6 connects to a dedicated suction line or through the pool's skimmer and delivers debris to the pool filtration system.
COVERAGE AND CLIMBING: Cyclonic Turbine creates downforce while X-Trax provide grip to traverse pools and climb walls when set to the proper flow.
X-Drive Navigation: Hydraulic suction drives internal gears to navigate the pool for thorough coverage of floor and walls.

✓ In Stock

The Zodiac MX6 at $349 is the right choice for pool owners upgrading from manual vacuuming who are not ready to commit to a full robotic unit. By connecting through the pool's skimmer or dedicated suction line, the MX6 uses existing pump flow to navigate - the collected debris deposits directly into the pool filter rather than a self-contained basket. The limitation is meaningful: suction-side cleaners perform only as well as the filter they feed, and they return debris to that filter rather than removing it from the pool system entirely. ^[2] Who this is NOT for: owners dealing with fine debris, pollen, or algae, where the Dolphin Nautilus CC at $699 provides superior self-contained filtration and active scrubbing.

Editor’s Note

Buying Tip: Match the Robot to Your Pool Type Before Comparing Features

Before comparing specs or prices, confirm two things: your pool's maximum length and whether it is inground or above-ground. The Dolphin E10 and Hayward AquaVac 250 Li are best suited to above-ground use; every other model in this roundup handles inground pools. Then check your pool's longest dimension against the robot's coverage rating - a model rated for 33 feet will run incomplete cycles in a 45-foot pool and may require two passes. Always buy a robot rated for at least 10 feet beyond your pool's actual length.

What Should You Look For in a Pool Cleaning Robot?#

Pool type compatibility: Confirm inground vs. above-ground and surface material (vinyl, plaster, fiberglass, tile) before purchasing - not all robots handle every surface
Cleaning coverage: Floor-only models miss algae on walls; floor + walls + waterline models provide complete sanitation with fewer chemical top-ups required
Navigation technology: Random-bounce models are least efficient on large or irregular pools; gyroscopic and four-motor drive systems provide more systematic, predictable coverage
Filter micron rating: Standard baskets catch leaves and coarse debris at 70–100 microns; fine debris like pollen and algae spores requires filters rated at 2–15 microns
Corded vs. cordless: Corded models provide unlimited runtime; cordless models eliminate tangle risk but require monitoring battery capacity against pool size
Pool size limit: Always buy a robot rated for at least 10 feet more than your pool's longest dimension to ensure the full floor is covered in a single cycle
Smart connectivity: Wi-Fi scheduling adds meaningful convenience for regular maintenance; voice assistant support (Alexa, Google) is available on the Polaris 9650iQ Sport
Saltwater compatibility: Saltwater chemistry is corrosive to standard metal components - verify stainless or coated internals before deploying in a saltwater pool
Warranty and service network: Dolphin (Maytronics) and Hayward maintain national dealer service networks; newer brands like Beatbot have more limited support infrastructure

Editor’s Note

Market Insight: Robotic Cleaners Now Outperform Suction-Side Models on Every Measured Dimension

Consumer Reports member survey data found that 78% of robotic pool cleaner owners reported high satisfaction after two or more seasons, compared to 61% for pressure-side cleaner owners - a 17-point satisfaction gap driven primarily by better filtration and lower chemical demand. ^[4] CNET testing confirmed that robotic pool cleaners with active brush systems removed 40% more algae film from pool walls than suction-only models in equivalent test cycles. ^[2] Most robotic units recover their purchase cost through reduced chemical and manual labor costs within two to three pool seasons.

Key Takeaway

Robotic pool cleaners are worth the money for most pool owners. They run independently of the pool pump, reducing energy consumption versus suction-side alternatives, and their self-contained filtration captures debris that would otherwise elevate chlorine demand. Consumer Reports data shows 78% owner satisfaction after two or more seasons - 17 points higher than pressure-side cleaner owners. Most models recover their purchase cost within 2–3 seasons through reduced chemical spend and eliminated manual vacuuming. The Dolphin Nautilus CC Plus Wi-Fi at $948 is the most cost-effective entry point into full-coverage wall-and-floor robotic cleaning.

Frequently Asked Questions About Pool Cleaning Robots#

Frequently Asked Questions

What is the best robotic pool cleaner for an inground pool in 2026?

The best robotic pool cleaner for an inground pool in 2026 is the Dolphin Nautilus CC Plus Wi-Fi at $948. It covers pools up to 50 feet, climbs and scrubs walls on any surface type, and connects via Wi-Fi for app-scheduled cleanings. For larger inground pools up to 60 feet, or for buyers who want Amazon Alexa voice control, the Polaris 9650iQ Sport at $999 is the strongest alternative, with 4WD traction validated as the most reliable wall-climbing system on steep 45-degree pool angles.

What is the best pool robot for an above-ground pool under $500?

For above-ground pools under $500, the Hayward AquaVac 250 Li at $179 is the most accessible cordless option for flat-bottomed pools, with 25% longer battery life than most competing cordless models and a 30% larger debris canister. If your budget reaches $568, the Dolphin E10 from Maytronics adds an active scrubbing brush, top-load filter access, and a complete 1.5-hour cleaning cycle - making it the superior value for above-ground pool owners who want proven brand reliability.

Are robotic pool cleaners worth the money compared to suction-side cleaners?

Yes, for most pool owners. Robotic pool cleaners operate on their own motor independent of the pool pump, using significantly less energy than suction-side or pressure-side alternatives. Their self-contained filtration captures debris that would otherwise increase chemical demand in the pool water. Consumer Reports member data shows 78% high satisfaction among robotic cleaner owners after two or more seasons, versus 61% for pressure-side cleaner owners. Most robotic units recover their purchase cost in reduced chemical spend and eliminated manual labor within 2–3 pool seasons.

Can robotic pool cleaners clean pool walls and the waterline, or just the floor?

It depends on the model. The Hayward AquaVac 250 Li is a floor-only cleaner. The Dolphin Nautilus CC Plus Wi-Fi, Dolphin Nautilus CC, and Dolphin E10 include wall-climbing capability. The Polaris 9650iQ Sport, AIPER Seagull Pro ZT6002, and Beatbot AquaSense 2 Pro extend cleaning coverage to the waterline. The Beatbot AquaSense 2 Pro additionally cleans the water surface itself. Always confirm cleaning coverage in the product specification - 'wall climbing' and 'waterline scrubbing' are distinct capabilities.

How long does it take a robot pool cleaner to clean a standard pool?

Most robotic pool cleaners complete a standard cleaning cycle in 1.5 to 3 hours for a typical residential pool measuring approximately 15 by 30 feet. The Dolphin E10 completes its cycle in 1.5 hours. The AIPER Seagull Pro ZT6002 offers 150 minutes of runtime on a full charge. Premium models with wall and waterline coverage - such as the Polaris 9650iQ Sport and Beatbot AquaSense 2 Pro - typically run 2–3 hour cycles. Some models offer a shortened quick-clean mode for light maintenance between full sessions.

Do robotic pool cleaners work in saltwater pools?

Many do, but saltwater compatibility is not universal across all models. Saltwater chemistry is corrosive to standard metal components over time. Always verify that the robot specifies stainless steel or specially coated internals before use in a saltwater pool. The Dolphin Nautilus CC Plus Wi-Fi and Polaris 9650iQ Sport both specify saltwater compatibility in their feature documentation. If you are unsure, contact the manufacturer directly before deploying any robot in a saltwater environment.

Can you leave a robotic pool cleaner in the pool overnight?

Most manufacturers recommend removing the robot from the pool after each cleaning cycle rather than leaving it submerged overnight. Prolonged submersion - particularly in chlorinated or saltwater pools - can degrade electronics, cable integrity, and seals over time, shortening the robot's service life. Most robots include a storage caddy or hook for dry storage between sessions. The Dolphin Nautilus CC Plus Wi-Fi ships with a Universal Caddy specifically designed to keep the robot stored properly between cleaning cycles.

How often should I run my robotic pool cleaner to keep the pool clean?

For most residential pools, running a robotic pool cleaner two to three times per week maintains consistently clean water and minimizes algae buildup. In periods of heavy use, after storms, or when the pool is surrounded by trees that drop debris, daily cycles may be warranted. Wi-Fi-enabled models like the Dolphin Nautilus CC Plus Wi-Fi and Polaris 9650iQ Sport allow automated scheduling so the robot runs on a consistent cadence without requiring manual activation.

What is the difference between a robotic pool cleaner and a suction-side pool cleaner?

A robotic pool cleaner has its own dedicated motor, independent power supply, and self-contained filtration basket. It operates completely separately from the pool pump and traps debris in its own filter unit. A suction-side cleaner - such as the Zodiac MX6 - connects to the pool's skimmer or suction line and uses the pool pump's flow to move and collect debris, depositing it into the pool filter. Robotic cleaners provide finer filtration, lower energy consumption, and independence from pump health. Suction-side cleaners have a lower entry price but depend entirely on the existing pump and filter infrastructure.

Are cordless robotic pool cleaners as good as corded models?

For pools under 1,600 square feet, a quality cordless model is a genuine alternative to corded robots. The AIPER Seagull Pro ZT6002 at $699.99 delivers 150 minutes of runtime, quad-motor wall climbing, and waterline scrubbing - capabilities previously requiring a corded unit. The trade-offs are battery degradation over time and inability to simply extend the runtime by plugging in. For pools larger than 1,600 sq. ft. or for owners who want unlimited runtime, corded models like the Dolphin Nautilus CC Plus Wi-Fi remain the more reliable long-term choice.

What is the best pool robot for a pool with a vinyl liner?

For vinyl-lined pools, you need a robot confirmed to be gentle on vinyl surfaces. The Dolphin Nautilus CC Plus Wi-Fi and Dolphin Nautilus CC both specify compatibility with any pool surface type, explicitly including vinyl liners. Their active scrubbing brushes are designed to be tough on debris while remaining safe for vinyl seams and surfaces. Avoid models with aggressive metal brushes or high-grip traction systems not specified for vinyl use, as these can snag or stress liner seams over time.

Do robotic pool cleaners help reduce pool chemical usage?

Yes. By physically removing debris, algae, and fine particles from the water, robotic pool cleaners reduce the organic load that drives chlorine consumption. Less organic matter in the water means less chlorine is needed to maintain proper sanitization. The finer the robot's filter micron rating, the more effective it is at reducing chemical demand - coarse baskets catch leaves but miss pollen and algae spores, which continue consuming chlorine until removed. Running a robotic cleaner consistently is one of the most effective ways to reduce annual chemical spend.

What robotic pool cleaner works best with an irregular or freeform pool shape?

For irregular or freeform pool shapes, the Beatbot AquaSense 2 Pro at $2,299 offers the most sophisticated navigation - app-controlled directional movement lets you guide the robot into curved alcoves or shallow shelf areas that random-bounce models miss. It covers pools up to 3,875 sq. ft. At a significantly lower price, the AIPER Seagull Pro ZT6002 at $699.99 uses WavePath navigation with a four-wheel-drive system that handles curved walls and non-rectangular floor plans effectively. Standard random-bounce navigation is the least suitable technology for freeform pools.

How do I clean and maintain the filter on a robotic pool cleaner?

The Dolphin Nautilus CC Plus Wi-Fi, Dolphin Nautilus CC, and Dolphin E10 all use top-load filter baskets that lift out without tools - rinse the basket with a garden hose after each cleaning session. For cartridge-style filters, rinse after every use and deep-clean with a dedicated filter cleaning solution every four to six weeks. Allow all filter components to dry completely before reinserting. Most manufacturers recommend replacing cartridge filters annually for consistent filtration performance. The Polaris 9650iQ Sport includes a dirty canister indicator in the iAquaLink app to alert you when the filter needs attention.

What pool robot has the best app and smart home integration in 2026?

The Polaris 9650iQ Sport at $999 has the strongest overall smart home integration in 2026. It connects to the iAquaLink app for full remote control and scheduling, includes a dirty canister alert, and supports both Amazon Alexa and Google Assistant voice commands - more voice platform options than any other robot in this roundup. The Dolphin Nautilus CC Plus Wi-Fi at $948 offers solid Wi-Fi scheduling via the Dolphin app but does not currently support voice assistant commands. The Beatbot AquaSense 2 Pro adds unique app-controlled directional surface navigation unavailable on either Dolphin or Polaris models.