• Weight: 6 oz. 

• Width: 6 9/16" 

• Length: 19 3/8" 

• Area: 40 sq. ft. 

• Top Style: 3 1/2" Open 

• Bottom Style: 3 1/2" Open 

The Unicel C-6640 R Compatible Pool & Spa Replacement Filter Cartridge is a spa or swimming pool filter cartridge for the Jacuzzi CF 40. The Filbur FC-1440 is a compatible replacement filter. These pool or spa filters are a polyester-pleated cartridge and cover a surface area of 40 square feet. Spa and swimming pool filters promote water health and safety by working with balanced water chemistry to remove harmful bacteria and other microorganisms. The FC-1440 spa filter cartridges are able to replace the following manufacturer part numbers: Jacuzzi 23-2214-01, Unicel C-6640, Pleatco PJ40-4, and Aladdin 14005.