Please note: There may be a slight color difference between the actual product and the image due to lighting and display variations, which does not affect usage. Thank you. [Compatibility] 9991467-R4 Ultra Fine Filter compatible with Dolphin Pool Cleaners: Active 20, Active 30, Active 30i, Active 40, Active 60, Advantage Ultra, Discovery (new), Explorer E30, Explorer E50, Explorer E70, M600, Mercury, Premium, Proteus DX4, Proteus DX5i, Prowler 920, Prowler 930, Prowler 930W, Quantum, S200, S300, S300i, S400, T35, T45, T55i, Triton PS, Triton PS Plus, Warrior SE, Warrior SI. [OEM] 9991467-R4 Ultrafine filter is sturdy and durable, designed not to deform or break. [Easy to Clean] The pool cleaner's filter removes easily and can be rinsed directly with a garden hose to quickly clean debris. The filter is reusable. [Efficient Filtration] Pleated filter design helps isolate dirt from the bottom of the pool, which is then collected by the pool cleaner. [Simple Installation] Replacing the filter with the 9991467-R4 ultrafine filter is simple. Each panel is numbered; remove filters in order from 1 to 4 and reinstall in reverse order from 4 to 1 for best results. Color: As shown in photo Material: Plastic Package Contents: 1 set x Ultra Fine Filter Note: Light reflection and different displays may cause the item color in the picture to vary slightly from the actual product. Measurement may vary by +/- 1-3 cm.