The Pentair Dyn 25 R is a compatible replacement for the following pool filters:
The Pentair / Rainbow Dynamics 25 Comp. Pool Filter is a pool water filter with 2 1/8" Open top and bottom styles. This compatible Pentair/Rainbow Dynamics pool filter measures 4 15/16" x 13 5/16" and has 25 square feet of media area. This pool filter cartridge purifies the water in swimming pools and spas.