This product is designed for the following Hayward models:
- Hayward Perflex Series Extended-Cycle Basic and D.E. Filter Models EC65, EC65A, EC75, EC75A, EC50A, EC50AC, and I_PFPPTS.
- ReGenX Grid Element D.E. Filter and ASL Filter Models RG450, RG700, C85075XES, and C125080X5S.
- Hayward StarClear and StarClear II Cartridge Filters