Discover the Dolphin Explorer E20 robotic pool cleaner with wall climbing and a top-load filter. Enjoy a 30 day trial and unbeatable pricing on open box models.
Certified Open Box Dolphin Pool Cleaner
Includes all parts and accessories
Fully tested and inspected with Maytronics testing software
It's a way to enjoy top-quality Dolphin robotic pool cleaners at a fraction of the original cost. Each item has been carefully inspected and tested to ensure it meets the highest standards, offering you the same performance and reliability as a new Dolphin Explorer E20. Certified Open Box items are fully functional, in like-new condition, and come with full warranties for peace of mind.
Why Dolphin Explorer E20?
Top Loading Filter Basket
The Dolphin Explorer E20 simplifies pool maintenance with its top-loading filter. Easy to access and clean, it ensures your pool stays fresh and inviting.
Constant Power
Designed for efficiency, the Dolphin Explorer E20 provides consistent cleaning power. Plug it in, and it’s always ready to go – no interruptions, just spotless cleaning.
No Restocking Fee & 30 Day Trial
Experience the Dolphin Explorer E20 for 30 days. If it’s not a match, return it effortlessly. No restocking fee, no worries.
Owner reviews
Rated 4.7 out of 5 by pool owners.
4.7 out of 52,123 ratings
Floor and wall cleaning at an entry price. Here is what Explorer E20 owners say.
“I love this vacuum. It is so nice to throw in the pool and come back later to a clean pool. It's also easy to clean out.”
Marsha P.Verified buyer
“I had a Dolphin from the start, it lasted 5 years. We used it every day of opening our pool. So far this Dolphin is doing good. Would recommend.”
CharlesVerified buyer
“Great pool cleaner. It cleans my pool super fast and it looks good doing it!”
Alex M.Verified buyer
“I've had a couple of types of pool cleaners over the years. This one is the best yet. Easy to use controller, and very easy to empty when done its cleaning cycle.”
D. & S. K.Verified purchase, Amazon
“This product does exactly what it's supposed to do. I highly recommend it.”
Meet the 2026 Dolphin Explorer E20, your new pool maintenance companion. With top-loading filtration, active brushing, and powerful suction, it tackles dirt effortlessly for crystal-clear water.
What's Included
The Dolphin Explorer E20 package comes with everything you need. Plug-and-play design means no extra equipment. Setup is quick, and maintenance is easy – just pure pool bliss.
Dolphin Explorer E20
Filter Basket
50ft Cable
Power Supply
Manuals + 2 Year Warranty
A CLEANER POOL
The New Dolphin Explorer E20™
The 2026 Dolphin Explorer E20 brings advanced pool cleaning to your backyard. With its easy-to-use top-loading filter and active scrubbing technology, pool care has never been simpler.
Enjoy a cleaner pool with the E20’s powerful suction. Designed to tackle dirt and debris effortlessly, it gives you more time to relax in the water.
CLEAN ANYTIME
Perfect for Pools up to 40ft
The Dolphin Explorer E20 is designed for pools up to 40 feet, ensuring comprehensive cleaning. Lightweight and easy to handle, it’s built to deliver consistent results every time.
TOP-LOADING FILTER
Easy to Clean Filter
The top-loading filter basket on the Dolphin Explorer E20 makes debris removal a breeze. Simply lift, rinse, and replace. It's cleaning made effortless.
Increased Performance
The Dolphin Explorer E20’s filtration system captures even the smallest debris, leaving your pool sparkling. It’s designed for a deep, thorough clean every cycle.
LEAVES, TWIGS, & MORE
Massive Filter
The Dolphin Explorer E20’s active brushing technology and large filter capture leaves, twigs, and other debris with ease. It's a powerhouse for a spotless pool.
LIGHTWEIGHT DESIGN
Cleaning Made Easy
The Dolphin Explorer E20 is designed for ease of use. Lightweight and simple to handle, it makes setup and storage quick, so you can spend more time enjoying your pool.
CONSTANT POWER
Active Scrubbing
The Dolphin Explorer E20 delivers powerful scrubbing action. Plug it in, and it’s ready to clean continuously, leaving your pool floor spotless.
INTELLIGENT CLEANING
The Next Step
The Dolphin Explorer E20 uses smart navigation to scan and clean every inch of your pool. It’s cleaning with precision, ensuring nothing is missed.
30 day trial
30 Day Trial
Experience the Dolphin Explorer E20’s cleaning power with our 30-day trial. If it doesn’t impress, return it without hassle.
BEST-IN-CLASS WARRANTY
2-Year Coverage
With a 2-year warranty, the Dolphin Explorer E20 promises lasting performance. We stand by our product, giving you peace of mind season after season.
Tech specs
Dolphin Explorer E20 specifications.
40 ftabove-ground pools
4,000gallons per hour of suction
14.6 lblight and easy to handle
2 yrwarranty
Pool
Pool type
Above-ground pools up to 40 ft
Surfaces
Vinyl liner, gunite and fiberglass
Shapes
Round, oval, rectangle and freeform pools
Cleaning
Coverage
Floor and walls
Cleaning cycle
2 hours
Scrubbing
Active brushing
Navigation
CleverClean™ smart navigation
Filtration
System
Top-loading filter basket: lift, rinse and replace
Included media
Fine filter basket
Power
Flow rate
4,000 gallons per hour
Power supply
Standard power supply, one-button start
App control
None
Cable
50 ft
Operation
Corded: always cleaning, never charging. Plugs into a standard outlet.
Assembly
None required. Plug the power supply into a standard outlet and drop the robot in the pool
Yes. The E20 cleans the floor and climbs the walls of above-ground pools up to 40 ft. It does not scrub the waterline; the Explorer E30 adds that.
How do I clean the filter?
Lift the top-loading basket out, rinse it with a hose and drop it back in. No bags, no tools.
Can I schedule cleanings?
The E20 starts with one button and has no weekly timer or app. For automatic scheduling and Wi-Fi control, step up to the Explorer E30.
How long does set-up take?
Minutes. There is no assembly and no booster pump: plug the power supply into a standard outlet, drop the robot in and press start.
Will it work in my pool?
Above-ground pools up to 40 ft on vinyl liner, gunite or fiberglass. Not sure? Ask a Dolphin specialist before you buy.
What does the 2-year warranty cover?
Maytronics warrants the robot against defects in materials and workmanship for 2 years. Service is available through 1,200+ Dolphin dealers. Read the full warranty.
What if it isn't right for my pool?
Try it in your own pool for 30 days. If it isn't right, return it with no restocking fee; you pay to ship the original product back. If you exchange it for another model, we'll ship the replacement free. See the return policy.
Compare
Which Dolphin is right for you?
Put any two Dolphin robots next to the Explorer E20. Pick a model in each column.
The Dolphin Universal Caddy makes storing and moving your Dolphin Cayman effortless. Roll your robot and power supply poolside with this heavy-duty caddy.
Buy from us or shop all Authorized Dolphin Dealers and buy your Open Box Dolphin Explorer E20 Robotic Pool Cleaner today.
Certified Open Box
Open Box Dolphin Explorer E20 Robotic Pool Cleaner
$649
Discover the Dolphin Explorer E20 robotic pool cleaner with wall climbing and a top-load filter. Enjoy a 30 day trial and unbeatable pricing on open box models.
Compare the rest of the ProLine™ and Max-Series™ lineup. Every robot ships free and includes a 30-day trial, 2-year warranty, and no restocking fees ever.
Free 1-3 Day FedEx Shipping 
2 Year Warranty Included 
30 Day Trial & No Restocking Fees 
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