The Marineland Magnum 200 Polishing Internal Aquarium Canister Filter offers powerful 3-stage filtration aquariums up to 60 gallons. This compact and versatile filter is capable of filtering 200 gallons of water per hour. The Marineland Magnum Polishing Internal Canister Filter uses two refillable chambers to house carbon or customizable filter media. The Magnum Polishing Internal Canister Filter is the most versatile filter Marineland has to offer.Useful Links:Magnum Filter Media.