The Unicel C-4335 R is a compatible replacement for the following pool filter cartridges:
The Unicel C-4335 - Comp. Pool and Spa Water Filter is a pleated pool filter with 35 square feet of media filtration fabric. This 35 square foot filter measures 9 1/4" x 4 15/16", and features 2 1/8" open top and bottom styles. This pleated pool filter purifies swimming pool and spa water, and increases clarity.