Rainbow 172522 Spa Top Load Complete Filter RCF-25 Sq Ft. This filter assembly is ready to use with 1.5" plumbing. The bottom openings are 1.5" Socket. The hole opening required for the installation of the main body housing is 6.5". The 172522 includes the complete housing, lock nut, filter cartridge, all O-rings and Chlorine/Bromine dispenser.
Manufacturer's 1 year limited warranty free of defects