Quick view Compare Add to Cart Unicel Filter Cartridges 3000 Series 8 sq. ft. 3 7/8" x 7" with 2 3/16" Open Antimicrobial Replacement Filter Cartridge $15.33
Quick view Compare Add to Cart Unicel Filter Cartridges 4000 Series 10 sq. ft. 4 1/4" x 4" with 2 1/16" Open Replacement Filter Cartridge $13.73
Quick view Compare Add to Cart Unicel Filter Cartridges 4000 Series 2.5 sq. ft. 4 1/4" x 3 3/4" with 2 1/16" Open Replacement Filter Cartridge $8.18