• Weight: 4 oz. 

• Width: 8.875" 

• Length: 39" 

• Area: 240 sq. ft. 

• Top Style: 4" Open 

• Bottom Style: 4" Open 

The Filbur FC-1974 is a replacement swimming pool filter cartridge for the Purex/Pentair DM 240. The FC-1974 pool or spa filters are made of tightly-packed polyester pleats that cover a water filtration surface area of 240 square feet per cartridge. Swimming pool filters reduce unwanted debris and bacteria in your pool and create a safer water environment. The FC-1974 pool filters are able to replace the following manufacturer part numbers: Pentair/Purex R173583, Unicel C-8406, and Aladdin 34001.