The Rainbow 174865 R is a compatible replacement for the following spa filters:
Rainbow 6ea. 6sq.ft. 6oz.
Pentair/Pac Fab 174819
Pentair/Pac Fab 174865
Pentair/Pac Fab 17-2048
Pentair/Rainbow Plastics 174819
Pentair/Rainbow Plastics 174865
Pentair/Rainbow Plastics 17-2048
The Rainbow Plastics 174865 Comp. Spa Filter Cartridge is a spa filter replacement manufactured with quality filter media and 5 square feet of area for the reduction of unwanted contaminants in swimming pool/spa water. This compatible Rainbow filter has dimensions of 2 7/8" in diameter x 9 3/4" in length with 1 1/16" Open top/bottom holes.