Review on Enhance Filtration Efficiency with Marineland Bonded Filter Sleeve for Magnum 350 Canister Filter by Andrea Joint

I buy this item regularly because I have one of the older canister models that is not a HOT model tank hanger. I use these filters on my Magnum 220 canister filter as well as the 350 filter, they are both under the tank in the closet. This is a great product and usually Revain is cheaper than Petsmart and you can expect to pay two or three bucks more on Petsmart compared to Revain and these are great filters. Depending on how dirty your aquarium is, these three filter packs will last for 3-6 months of filtration.