Engineered for high-flow and heavy sediment applications, this Pentek Big Blue housing features a reinforced polypropylene sump for superior chemical resistance. The integrated pressure relief button ensures safe and easy cartridge changes, while the high-flow polypropylene cap maintains a watertight seal for reliable performance.

• Designed for high-flow and heavy sediment applications, ideal for residential drinking water, food service, and irrigation.
• Constructed with a reinforced polypropylene sump for enhanced strength and chemical resistance.
• Features a high-flow polypropylene (HFPP) cap with a Buna-N O-ring to ensure a secure, watertight seal.
• Integrated pressure relief button on the inlet side allows for easy and safe filter cartridge replacement.
• High-performance specifications include a 1 psi initial pressure drop at 20 GPM and a maximum operating pressure of 90 psi.
• Compatible with 20 in. x 4-1/2 in. filter cartridges (sold separately).