The Unicel C-4950 R is a compatible replacement for the following pool filter cartridges:
The Unicel C-4950 - Comp. Pool and Spa Water Filter is a pleated pool filter that measures 4 15/16" x 13 5/16" with 2 1/8" Open top and bottom styles. This compatible Unicel pool filter is constructed with 50 sq. ft. of media filtration fabric for the purification of swimming pool and spa water.