Industry's most complete line of replacement filter elements. Compatible with: Pentair Pool Prod (R173300), Pentair Pool Prod Pac Fab Replacements (17 2812), Pentair Pool Prod Pac Fab Replacements (17 4985), Wet Institute (32050204) (Note: Three 105 sq.ft. cartridges required.) Sharp pleat folds maximize spacing between pleats. Tough urethane end caps assure durability for the life of the cartridge
