The Apsco 2" 3-Way Limit Hydraulic Cabin Air Control Valve is designed to provide reliable performance and long-lasting durability. This valve is constructed to exacting OEM specs and is designed to operate between 0 and 150 psi. You can adjust the pressure to the desired level. The valve is easy to install and is an inexpensive product of outstanding quality. With its reliable performance and long-lasting durability, it is the perfect choice for controlling the air pressure in your cabin. FleetPride is your First Click in Heavy Duty®.