The SR WC108-141SI R is a compatible replacement for the following pool filter cartridges:
The Sta-Rite WC108-141SI Comp. Pool & Spa Water Filter is a spa filter replacement ideal for purifying spa and pool water. Through the use of 50 sq. ft. of media area, this compatible Sta-Rite filter maintains fresh and clear water. This spa filter cartridge measures 7" x 19 3/8" with 3" Open top & bottom styles.