Pleatco Filter with Free-Flow Core Technology for the purest water quality and durability Replaces OEM Filter Brands and Part Numbers: Pentair/Rainbow Plastics: Rainbow Lifeguard CL29, CL-29 Pentair/Rainbow Plastics Replacement Part Numbers: 17-2010, 172010 Measurements: Length: 29-1/4" Outside Diameter: 2-7/8" Top Opening: 1-1/16" Bottom Opening: 1-1/16" # Total Sq. Ft. 13 Other popular brand part numbers Unicel Filter - C-2613, C2613 Filbur - FC-2350, FC2350 Aquakleen - AK1013, AK-1013 Manufactured by Pleatco, guaranteed highest quality or your money back Pleatco Part number: PRB12-L, PRB-12-L UPC Code: 090164001203