Keep your Robotic Pool Cleaner working efficiently with our Ultra Fine Filter Replacement. Improve your water quality with our high-quality Filter Replacement for Robotic Pool Cleaner Parts. Don't let a faulty filter your pool cleaning - 4 x 9991432-R4 pool filter replacement - Please rinse the filter every 3-5 weeks for best performance. Timely cleaning and correct use the fiter can last 4 years. The perfect Filter Replacement for Dolphin Robotic Pool Cleaners CC Plus filter, M400, M500, M200, , M5, Wave 65, Wave 90, C3, C4, Oasis Z5i, XL, Liberty, Odyssey, , Triton Plus(old), Replaces for part 9991432-R4. Please Note: NOT fit for CC, M600, E10, E20, S200 or 300 or 300i, Escape, , DX3, DX4 and DX5i, S50, S100, Active 10, 15, T15, T25, 20 or 30 or 30i, T35 or 45 or 55i, Prowler 910 and 917, 920 or 930, Triton PS or PS Plus, , Advantage, , Encore, Solo, Warrior SE or SI or SL, Mercury, , Quantum and Premium, 9991463-R4, 9991468-R4 Made of high-strength environmental-friendly materials, which can block most of dust down to 0.3 micrometer. The filter can maintain the cleaning performance , while reducing the penetration of dust, and others into the air you breathe. Type:Vacuum Cleaner Accessories Colour:Black Material:Plastic Package Contents: 4 x Pool Cleaner Filter 1 x Cleaning brush (Appearance and color are random and cannot be specified) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.