The Midland Haldex KN32003 is a quick release valve for air brake systems, fitting wherever a quick release function is required in the circuit. It carries a 3.0 PSI crack pressure with a 1/2″ inlet port and a 3/8″ delivery port. The body is molded from Engineering Grade Composite (EGC) for corrosion and weather resistance. An oil-resistant diaphragm extends service life in demanding environments. A genuine Midland Haldex part available from Pro Gear and Transmission. Call us to confirm proper fit for your application.Interchanges:MDKN32003N20959HAA factory handling fee of $25.00 per unit is added at checkout.FeaturesQuick release valve for air brake systems – installs wherever a quick release function is required3.0 PSI crack pressure1/2″ inlet port, 3/8″ delivery portEGC (Engineering Grade Composite) body – corrosion and weather resistantOil-resistant diaphragm for extended service lifeTech SpecsCrack Pressure 3Inlet 1/2″Delivery 3/8″OEM Part Number N20959HA