The Sealco 1/4" NPT Port Air Bag Control Valve is the perfect solution for controlling the air pressure in your air suspension system. This universal valve is designed to work with all types of air suspension systems and features a simple push/pull mechanism that quickly exhausts or refills airbags. The extra wide knob makes it easy to access and control the valve and is compatible with air suspension systems with 3/8" NPT ports. FleetPride is your First Click in Heavy Duty®.