XaXmTee 123 Pcs Quick Connect Air Line Fittings Kit Pneumatic Push Lock Air Fittings 1/8",1/4",3/8",1/2" NPT Thread & Push to Connect Air Hose Fittings Quick Release Airline Fitting Kit. Quick connect Air line fittings types: 1/8", 1/4", 3/8", 1/2".
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