• Weight: 3 oz. 

• Width: 6 9/16" 

• Length: 13 3/4" 

• Area: 45 sq. ft. 

• Top Style: Crescent Handle 

• Bottom Style: 2" MPT 

The Unicel C-6445 R Compatible Pool & Spa Replacement Filter Cartridge is a spa or pool filter cartridge for the Watkins 33. The Filbur FC-3095 is a compatible replacement filter. Spa and swimming pool filters promote a healthy spa and pool environment by removing bacteria, body oils, lotions, and soaps during the filtration cycle. The FC-3095 spa filter cartridges are able to replace the following manufacturer part numbers: Unicel C-6445, Pleatco FV40, and Aladdin 14508.