Air hose connect plastic coupler flex union stragiht quick connect couplings Material: Nylon(pa) polyurethane(pu) Technics: Injection Type: Bushing Place of origin: China (mainland) Model number: Quick connect couplings Brand name: Quick connect couplings Shape: Equal Head code: Round Name: Quick connect couplings Application: Water gas oil Color: Black Size: 1/8~1/2 Thread: Npt bspt pt bspp Working pressure: 1-10 bar Working temperature: -20-+60