Air brake line fittings types: 1/8", 1/4", 3/8", 1/2". 64 Pcs Brass DOT Air Line Fittings Kit Push Lock & Quick Connect Fittings NPT Thread for Air Line Air Hose Pneumatic Tubing. EASY INSTALLATION: The quick connect design and precise NPT threading make installation of air brake accessories easy, just push to connect.
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