The Onyx 84-92028 R is a compatible replacement for the following pool filters:
The Onyx 84-92028 Comp. Pool & Spa Filter Cartridge is a spa filter cartridge designed to purify the water in swimming pools and spas. Featuring media area of 50 sq. ft., this compatible Onyx filter measures 6 1/16" x 12 1/16" with 1 15/16" Open top & bottom holes.