Guardian Pool Spa Filter Cartridge - Replaces Unciel 4ch-30 Pleatco PTL25H-P-4, Filbur FC-0141 - Whirlpool, Saratoga, Sweetwater Replaces: Pleatco PTL25P4-4 | Unicel 4CH-30 | Filbur FC-014 Diameter 4-3/4'' Length 11-7/8'' Top Handle Bottom 1-1/2'' MPT Threaded Filter Area: 25 sq ft Filter Material: Reemay (3 oz/yard) New in factory packaging