Penn Plax Cfu55Ug Fltr For 5.5 Gallon Aquariums
(7.5" x 15.5") Clear-Free Premium Undergravel Filter is a two filter plate system with a jumbo 1” adjustable lift tube. The convenient, easy set up filter is designed to have trouble free maintenance while keeping your tank looking crystal clear. The filter is designed to fit a 5 ½ gallon tank.