Brand
Grefilt
We cover 4 Grefilt products across pool and spa filter cartridges. Each page lists the specifications that matter, how it compares and who it suits.
Pool and Spa Filter Cartridges
Grefilt PA901 Pool Filter Cartridge
Replaces Hayward C900 · 90 sq ft
Pool and Spa Filter Cartridges
Grefilt CCP420-4P Pool Filter Cartridge
Replaces Pentair Clean · 420 sq ft
Pool and Spa Filter Cartridges
Grefilt C4030 Pool Filter Cartridge
Replaces Hayward SwimClear C4030 · 425 sq ft
Pool and Spa Filter Cartridges
Grefilt CCP520-4P Pool Filter Cartridge
Replaces Pentair Clean · 520 sq ft
Each product page lists the maker's published specifications, with fit, limits and alternatives.