John Guest - Acetal Bulkhead Union Quick Connect Fitting - Grey Tube Connection (OD):1/2" OD For optimal performance

For optimal performance

The system uses an extended pass carbon block filter at 0

High-grade anthracite coal media for sediment reduction and turbidity control in multimedia filtration systems

Stainless Steel Housing MH-4021SS

5" Big Blue filter housing from manufacturers including Watts

John Guest - Acetal Bulkhead Union Quick Connect Fitting - Grey Tube Connection (OD):1/2" OD For optimal performanceJohn Guest Acetal Bulkhead Union Quick Connect Fitting Push fit bulkhead union for passing tubing through walls, tanks, and panels Acetal Copolymer Push to Connect UK Manufactured Food Grade The John Guest acetal bulkhead union creates a leak proof connection through barriers using the company's grip and seal collet system. Designed for potable water, food contact, CO2, pneumatics, and vacuum applications where tubing must pass through a structure.