2000g Bio Ceramic Rings in 4 Media Bags for Aquarium Fish Canister Filter #372Biological filter media for aquarium canister filters Porous, ceramic rings provide ideal growing site for beneficial bacteria Maintain efficient biological filtration for a healthy aquarium environment
Extremely porous ceramic media for efficient biological filtration. Hollow design effectively distributes water flow and allows massive colonies of beneficial bacteria to grow on and inside each ring. Great for both fresh and saltwater aquariums. This Ceramic Rings are designed for use in all canister filter filters.
Ring size: 1/2″ x 1/2″ Media bag size: 8.0″ x 5.5″ Package included: 2000g of ceramic rings in 4 filter media bags, 500g in each bag