Please note: There may be a slight color difference due to lighting and monitor settings, which does not affect the use. 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 (new), Explorer E30, Explorer E50, Explorer E70, M600, Mercury, Premium, DX4, DX5i, Prowler 920, Prowler 930, Prowler 930W, Quantum, S200, S300, S300i, S400, T35, T45, T55i, Triton PS, Triton PS Plus, Warrior SE, Warrior SI. [Durability] The 9991467-R4 ultrafine filter is sturdy and resistant to deformation or breakage. [Easy to Clean] The pool cleaner's filter is easy to remove and can be rinsed directly with a garden hose to quickly remove debris. The filter is reusable. [Efficient Filtration] Pleated design effectively captures dirt and debris from the bottom of the pool, improving cleaning performance. [Simple Installation] Replacing the filter is simple and straightforward. 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 slight color variations. Measurement may vary by +/- 1-3 cm.