[Compatibility] 9991467-R4 Ultra Fine Filter compatible with Dolphin Pool Cleaners: Active 20, Active 30, Active 30i, Active 40, Active 60, Advantage Ultra, 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 Ultra Fine Filter is sturdy and resistant to deformation or breakage. [Easy to Clean] The pool cleaner filter removes easily and can be rinsed clean with a garden hose. The filter is reusable. [Efficient Filtration] Pleated design effectively captures dirt from the pool floor during cleaning. [Simple Installation] Replacement is straightforward. Panels are numbered; remove in order 1–4 and install in reverse order 4–1 for optimal fit. Color may vary slightly due to lighting and screen settings. Material: Plastic Package Contents: 1 set x Ultra Fine Filter Note: Slight color variation between product and image may occur due to lighting and display differences. Measurement tolerance: ±1–3 cm.