The UNICEL 6CH-25 R replaces the following pool and spa filters:
The Unicel 6CH-25 Comp. Pool & Spa Filter Cartridge measures 6" x 5 1/2" with 1 1/2" MPT bottom style. This Unicel pool filter, also known as the Filbur FC-0305, is built with 25 square feet of media area and has a Closed Bar Handle Handle top. This pool filter cartridge is pleated to trap contaminants in your pool and spa water.