The Pac Fab 174819 R is a compatible replacement for the following pool filter cartridges:
The Pac Fab 174819 Comp. Pool & Spa Replacement Filter is a spa filter replacement constructed with high quality media and 5 sq. ft. of area for the reduction of contaminants in swimming pools and spas. This compatible Pac Fab filter measures 2 7/8" in diameter x 9 3/4" in length with 1 1/16" Open top/bottom holes.