About This

• This package includes the replacement cartridge for the Red Sea Ocean Clear 325 Canister Filter (25 Micron, 25 sq ft) along with SIX 1.5 pound bags of replacement carbon for the middle of the cartridge
• Carbon should be replaced in aquariums every one to two months
• Cartridge Dimensions: 8.5" wide and 8 3/8" tall. Center hole is 4" wide
• Can also be used with any of the Nu-Clear Canister Filters