Marineland PA0114-03 Bonded Filter Sleeve for Magnum 350 Canister Filter, 3-Count Go to amazon.com Related posts 13 best marineland filter canister FeatureFor the Magnum and HOT Magnum canistersUnique filtration3-Packaquarium filter accessories DescriptionFoam sleeves and other parts and accessories available for the magnum and hot magnum canister filters.