The Hayward C4020 R is a compatible replacement for the following pool filters:
The Hayward Super Star Clear C4000 R - Comp. Pool Filter is a pool filter replacement with 400 sq. ft. media area. This compatible Hayward pool filter measures 7" x 25 1/2" with 3" Open top and bottom styles. This pool filter cartridge reduces contaminants in swimming pool and spa water.