Carbon Block Cartridge 4.5" x 20" - 10 micronSKU: CB-452010Carbon Block Cartridge, 4.5" x 20",10 micron, non-NSF,Outer Diameter: 4 - 1/2"6/caseQuantity
Carbon Block Cartridge 4.5" x 20" - 10 micronSKU: CB-452010Carbon Block Cartridge, 4.5" x 20",10 micron, non-NSF,Outer Diameter: 4 - 1/2"6/caseQuantity