Please note: There may be a slight color difference between the actual product and the image due to lighting and monitor settings. This does not affect the use of the product. 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 is easy to remove and can be rinsed directly with a garden hose to quickly clean dirt. The filter is reusable. [Efficient Filtration] Pleated filter 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. It is recommended to remove the filters in order from 1 to 4 and install them in order from 4 to 1 for easiest replacement. Color: As shown in photo Material: Plastic Package Contents: 1 set x Ultra Fine Filter Note: The measurement allowance is +/- 1-3 cm. The package includes only the items listed above; other products are not included.