The Unicel C-8311 R is a compatible replacement for the following pool and spa filters:
The Unicel C-8311 Comp. Hayward CCX1000 Pool Filter is a replacement water filter cartridge intended to purify water in swimming pools and spas and improve water clarity. This pool filter cartridge measures 8 15/16" x 17 3/8" with 4" Open top and bottom styles. This compatible Unicel pool filter, also known as the Filbur FC-1285, is constructed with 100 square feet of pleated polyester media that is guaranteed for high performance operation.