The Unicel C-9481 R is a compatible replacement for the following pool & spa filters:
The Unicel C-9481 Comp. Pool Filter - Sherlock 120 is a compatible replacement pool filter cartridge with high level water purification performance. This compatible Unicel pool filter, also known as the Filbur FC-1401, measures 10" x 20 1/16" with a closed Crescent Handle top style and 4 1/16" Open bottom style. With 120 sq. ft. of pleated polyester media, this Unicel spa filter will improve water quality in swimming pools and spas.