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Often overlooked, the filter is perhaps the most important part of any pool robot. NanoFilters represent a breakthrough in robotic pool cleaner technology—capturing microscopic particles that pass right through standard filters. Found only on Dolphin ProLine™ robots, these advanced filters deliver the cleanest, healthiest pool water possible.
In modern robotic pool cleaners, there are two types of cartridge filters. The traditional filter uses a large-pored plastic mesh—a relic of the past that allows fine particles to pass through untouched.
The NanoFilter cartridge changes everything. Its highly efficient particulate design ensures contaminants are captured, leaving your pool pristine.
NanoFilters capture fine debris that passes through standard filters
The impressive pleated design of NanoFilters
Under a powerful microscope, the NanoFilter's micro-pore spun-bonded polyester fabric reveals a captivating tapestry of intersecting fibers. This intricate mesh allows water to flow freely while effectively trapping minuscule particles.
The deep pleated design offers a significant advantage—a larger surface area for capturing a greater volume of waterborne impurities while maintaining optimal water flow.
While standard filters handle leaves and sediment, the pleated NanoFilter captures so much more:
Say goodbye to turbidity—cloudy water caused by suspended particles—and embrace crystal-clear water.
Imagine the NanoFilter cartridge as the guardian of your pool's water quality, eliminating a significant portion of contaminants even before they reach your pool's primary filter.
Not only does NanoFilter capture ultrafine material such as algae and microscopic particulate, but it also effectively picks up leaves, debris, and even acorns at the same time.
This remarkable ability to capture nearly everything is why so many pool owners make the switch to a ProLine™ unit.
NanoFilter (left) vs Standard Filters (right)
Dolphin Premier's MultiMedia includes NanoFilters, Oversized Leaf Bag, & Standard Filters
Tailored exclusively for the Dolphin Premier, MultiMedia™ offers a comprehensive filtration solution that leaves no debris unaddressed.
Equipped with three filter sets and an optional disposable debris bag, the Premier ensures that no matter the type of debris—from leaves to microscopic particles—your pool will be flawlessly cleaned.
Only the newest 2026 models include these Gen-2 filters. These robots are all from the Dolphin ProLine™ or Dolphin Max-Series™. With a robot for every budget, here are all robots with NanoFilter capability.
The only Dolphin with MultiMedia™: NanoFilters + Oversized Leaf Bag + Standard Filters. Dual commercial-grade motors and waterline cleaning.
Shop Premier
Triple commercial-grade motors, gyroscope navigation, and myDolphin Plus app. The top Dolphin with included NanoFilters.
Shop Sigma
Features the XXL MaxBin™—over 225% larger than standard filters. Waterline cleaning and PowerJet 3D mobility.
Shop Quantum
Best value Dolphin robot under $1000. Weekly timer, MaxBin™, and wall climbing. Add optional NanoFilters for deeper cleaning.
Shop Cayman
Best above-ground robotic pool cleaner. HyperBrush technology for above-ground and small in-ground pools. Add optional NanoFilters.
Shop EscapeMany online retailers hide hefty 20% restocking fees. At Poolbots, we offer a risk-free 30-day trial with free returns.
Learn Why PoolbotsWe know a robotic pool cleaner is the heart of your pool. Here at Poolbots, we offer a free 30-day trial with no restocking fees—choose with confidence.
