Hayward Pool Products - How a Hayward Above Ground Cartridge Works

Single Locking Knob securely fastens filter head to filter tank, eliminating clamps or bolts.
Filter Head provides easy access to cartridge element. May be rotated to conveniently position pressure gauge and manual air relief valve.
Heavy-Duty Filter Tank injection molded of reinforced thermoplastic for dependable, corrosion-free performance.
Scavenger Tube Air Relief purges any trapped air during filter operation.
Single Element Cartridge is engineered of high-quality reinforced polyester, with gasketed molded end caps, for maximum efficiency, easier cleaning and longer life.
Precision-Engineered Extruded Core provides extra strength and superior flow.
Elevated Filtered Water Collector and Debris Sump prevents accidental by-pass of heavy debris to pool or spa when cartridge is removed for cleaning.
1.5" or 2" FIP, or 2" SKT Connections for plumbing versatility.
.5" FIP Filter Drain for fast draining. Also accepts standard spigot valve.