Unicel C-4325 Spa Replacement Filter Cartridge, 25 Sq Ft provides efficient filtration for spas and pools, ensuring clean and clear water. Built with high-quality materials, it offers a reliable replacement option for various filter systems.

• Exact Fit: Measures 11 7/8 inches in length with a 4 5/8-inch outside diameter for seamless compatibility.
• Durable Urethane Caps: Tough end caps enhance longevity and withstand repeated use.
• Efficient Filtration: Designed to replace Hayward CX225RE and PA225-4 cartridges for optimal water clarity.
• Versatile Use: Ideal for maintaining clean water in spas and smaller pool systems.