Unicel C-7451 Replacement Filter Cartridge for 50 Square Foot Caldera Spas,White flares with Nuisance Level Acid Gas

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Unicel C-7451 Replacement Filter Cartridge for 50 Square Foot Caldera Spas,White flares with Nuisance Level Acid GasUnicel C 7451 Replacement Filter Cartridge for 50 Square Foot Caldera Spas,White Diameter: 7 inch; length: 10 3 4 inch Top end cap: semi circular handle, 0 inch inner diameter; bottom end cap: 2 inch male slip fitting, 0 inch inner diameter Pleat count: 200; filter media: 3 ounce reemay 2033; filter area: 50 square feet Get more efficient filtration and better water clarity with Unicel filters Longer time between cleanings; meets oem specifications