• Weight: 4 oz. 

• Width: 7" 

• Length: 19 5/8" 

• Area: 55 sq. ft. 

• Top Style: 3" Open 

• Bottom Style: 3" Open 

The Unicel C-7455 R Compatible Pool & Spa Replacement Filter Cartridge is a spa or swimming pool filter cartridge for the Hayward CX 550. Filbur manufactures the FC-1245 as a compatible replacement filter. These pool and spa filters are made of high-quality polyester and cover a filtration surface area of 55 square feet per cartridge. Spa and swimming pool filters remove debris and bacteria during filtration cycles to promote a clear and safe water environment. The FC-1245 pool and spa filters are able to replace the following manufacturer part numbers: Hayward/Muskin CX550-RE, Unicel C-7455, Pleatco PA55, and Aladdin 15503.