The Unicel C-4320 R replaces the following pool and spa filters:
The Unicel C-4320 Comp. Pool & Spa Water Filter delivers exceptional quality water in swimming pools and water through pleated polyester media and 20 square feet of media area. This pool filter cartridge measures 4 5/8" x 11 7/8" x with 2 1/8" Open top and bottom holes. This compatible Unicel pool filter, also known as the Filbur FC-1215, traps contaminants in your water to improve clarity.