The WA441063 is a swivel gladhand in red, used on the emergency (service) air line of tractor-trailer glad hand connections. The swivel design allows the hose connection to rotate, reducing hose wear and strain at the coupling point.Interchanges:35291GT-5351PHM12-4080SNV441063TRA36281FeaturesRed gladhand color for emergency (service) air line identificationSwivel design reduces hose twist and wear at the connectionTech SpecsColor: RedType: Swivel gladhand