The Haldex 1/2" NPT Port Service Gladhand with Dust Cover is the perfect solution for tough off-road applications. This gladhand is designed to fit most standard gladhands and features a 1/2" NPT port diameter. The dust cover helps to prevent big particles like dirt, detritus, insects and other debris out of the air system. The color coded protecting lids make it easy to identify the gladhand. This blue gladhand is the perfect choice for keeping your air system clean and efficient. FleetPride is your First Click in Heavy Duty®.