Hayward 425 Cartridge Filter

425 of sq ft of filter area cartridge filtration produces the ultimate in pool and spa filtration. One of the major benefits is no more backwashing. This is particularly important in areas where it is prohibited to pump chlorinated water into the sewers. Typically, these filters only need cleaning once or twice a season making the choice of the ecologically concerned pool owner.

Hayward Cartridge Filter Features

• Manual air relief is a high capacity, rapid release manual air relief valve that bleeds air with a quick quarter turn of the lever
• Top manifold provides excellent filtration and hydraulic performance
• Heavy duty, tamper proof, one-piece clamp securely fastens tank top and bottom together and allows quick access to all internal components without disturbing piping or connections
• High strength filter tank is made from durable, glass reinforced co-polymer to meet the demands of the toughest applications and environmental conditions, including in-floor cleaning systems
• Uniform low profile tank base design makes removal of cartridge elements fast and simple
• Full size 1 ½” integral drain provides fast clean out and flushing
• Combination pressure and cleaning cycle indicator gauge gives visual indication when cartridge filter elements need cleaning
• Quad-cluster cartridge elements provide 225, 325, 425, or 525ft of filter area and extra dirt-holding capacity for long filter cycles. Precision-engineered core provides extra strength and superior flow
• Self-aligned tank top and bottom make access to servicing Quad-Cluster cartridge elements quick and easy
• CPVC union coupling connection provides plumbing options of 2” or 2 ½” piping with 2” full flow internal piping for maximum performance