Length: 19-3/4"Diameter: 7"Top opening: 3"Bottom opening: 3"   Replaces popular brand part numbers: Unicel C-7455 Filbur FC-1245 Pleatco PA55 Features: 55 sq. ft. of high-quality Filtration Fabric Expansive Flow™ core Break-resistant Guardian banding Alternative filter names: CX550-RE, C-550RE, 58039, Hayward CX-550, Hayward Easy Clear C550, 17-175-1316, APCC7194, 15503, PA 55 Used in pools/spas made by: Hayward, Muskin, Sears & other manufacturers   By Guardian Filtration Products • 719-118