The UNICEL C-4351 R replaces the following pool filters:
The Unicel C-4351 Comp. Pool & Spa Filter Cartridge is a pleated water filter that reduces contaminants in pools/spas and improves water quality and clarity. This pool filter cartridge, also known as the Filbur FC-0184, measures 4 1/4" x 23 3/4" and has 50 square feet of media area. This Unicel pool filter has a 2 3/8" Open bottom style and Closed top hole with a Crescent Handle top style.