Please note: There may be a slight color difference due to lighting and monitor settings, which does not affect product functionality. Thank you for your understanding. 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. Durable Design: The 9991467-R4 ultrafine filter is constructed with high-quality plastic, sturdy and resistant to deformation or breakage. Easy to Clean: The filter easily pops out and can be rinsed thoroughly with a garden hose, allowing for quick and efficient cleaning. Reusable design ensures long-term value. Efficient Filtration: Pleated filter design effectively captures fine debris and dirt from the pool floor, enhancing the cleaning performance of your pool cleaner. Simple Installation: Replacement is simple and straightforward. Each filter panel is numbered. For best results, remove the panels in order from 1 to 4 and reinstall in reverse order from 4 to 1. Color: As shown in photo Material: Plastic Package Contents: 1 set x Ultra Fine Filter Note: Slight variations in color may occur due to lighting conditions and screen display settings. Measurement may vary by +/- 1-3 cm.