Spa Filter Darlly: 40254, Baleen: AK-3010, OEM: CX225RE,57010500, Pleatco: PA225-4 , Unicel: C-4325 , Filbur: FC-1220, Diameter: 4-5/8", Length: 11-7/8" - Spa And Pool Store
SpiroPure Replacement for Pleatco PA225 Unicel C-4325 Filbur FC-1220 Hayward CX225RE Micro Star Clear C225 Hot Tub Spa Pool Filter Replacement Cartridge (Case of 6) - Walmart.com
SpiroPure Replacement for Pleatco PA225 Unicel C-4325 Filbur FC-1220 Hayward CX225RE Micro Star Clear C225 Hot Tub Spa Pool Filter Replacement Cartridge (Case of 6) - Walmart.com
Caldera Spa 50 sq. ft.Filter. 2003 To Current FC3963/PCD50N - Spa Parts Depot
Pleatco PA225 / C-4325 spa filter - Hayward
Unicel C-4310 Filter Cartridge – Pool Geek
Clarathon Hot Tub Filter Cartridge FC1220 – SpaDepot.com