EASY INSTALLATION: The quick connect design and precise NPT threading make installation of air brake accessories easy, just push to connect. And there is pre-applied sealant on NPT male thread for better sealing
WIDE APPLICATION: The brass DOT air brake fittings can be used with air suspension systems, copper tubing in airlines brake systems, perfect for truck /RV repair air line leak, also ideal for industrial workshops, daily garden or lawn mower repair, towing machine hose connection, etc