Length: 10-3/8"Diameter: 5-11/16"Top: Closed with string tabBottom opening: 2-1/8"   Replaces popular brand part numbers: Unicel C-5601RA Filbur FC-1330M Pleatco PJW23-M Features: 25 sq. ft. of high-quality filtration fabric Exclusive Expansive Flow™ core Alternative filter names: 6199000, 43295401R, 17-175-1395, APCC7069, 12512, 090164023403, SD-00775, 090164023434, SD-00638, PJW 23, PJW23-4, PJW23-M4 Used in pools/spas made by: Apollo Spas, Aquatic Industries, Atlantic Pool Products, Cantar, Cascade Spas, Competition Pool Products, Diamond Spas, Echo Series,  Four Winds, Gatsby, Jacuzzi, Jacuzzi Brothers, Jacuzzi Whirlpool Bath, Safari Spas, Seven Seas Spas, Spillway, Streamline Spas & other manufacturers   By Guardian Filtration Products • 510-110-M