Hayward cartridges are designed to meet nsf's high quality performance & durability standards with Hayward filters. Only Hayward replacement filter cartridges will provide maximum hydraulic efficiency, exceptional first pass debris removal & extended durability with Hayward cartridge filters.

• Nsf certification requires the use of genuine Hayward replacement cartridges

• Precision engineered, molded and extruded cores provide maximum hydraulic efficiency and overall structural stability

• Specifically designed for maximum performance of Hayward cartridge filters