Please note: There may be a slight color difference between the actual product and the image, 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 (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] 9991467-R4 ultrafine filter is sturdy and resistant to deformation or breakage. [Easy to Clean] The pool cleaner's filter is easily removable and can be rinsed directly with a garden hose to quickly remove dirt. The filter is reusable. [Efficient Filtration] Pleated filter design effectively captures dirt and debris from the bottom of the pool, which is collected by the pool cleaner. [Simple Installation] Replacing the filter with the 9991467-R4 ultrafine 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 reverse order from 4 to 1 for easiest replacement. Color: As shown in photo Material: Plastic Package Contents: 1 set x Ultra Fine Filter Note: Light reflection and different display settings may cause slight variations in color between the image and the actual product. Measurement may vary by +/- 1-3 cm.