78 PCS PACKAGE: The 43 pcs & 35 pcs DOT air line fittings assortment includes 18 pcs brass tube tee fittings, 28 pcs brass straight union connectors, 14 pcs brass straight push & NPT thread, 14 pcs 90°elbows NPT thread, 2 pcs brass 1/4" inflation Schrader valve, 2 pc tube cutter, 2 pc Teflon tape. Air brake line fittings types: 1/8", 1/4", 3/8", 1/2" PREMIUM DOT FITTINGS: CheeMuii DOT air hose fittings are made of CA360 pure brass, meet D.O.T. FMVSS 571.106 approved, SAE J1131 air brake system requirements, with corrosion resistance, high-temperature ductility, low permeability and long service life AIR SUSPENSION VALVE: CheeMuii 1/4" inflation Schrader valves are made of CA360 pure brass, which is durable and corrosion-resistant. Thread length: 3/4". Provide a manual inflation point to air spring suspension bags. Each expansion valve is equipped with a protective cap to prevent dirt and mud MAX WORKING INTENSITY: The brass fittings can be operated in pressures from vacuum to 800 PSI and in temperatures from -40°F to +248°F (-40°C to +120°C). Note: see the tubing manufacturer's recommendations for pressure and temperature mutations 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 fittings can be used for air suspension systems, perfect for semi truck/trailer/RV repair air line leak, also ideal for industrial workshops, daily garden or lawn mower repair, towing machine hose connection, etc CheeMuii 43+35 Pcs Brass DOT Air Line Fittings kit Total 78 Pcs Push Lock DOT Air Fittings Push to Connect Fittings NPT Thread & Quick Connect Air Hose Fittings Assortment. 78 PCS PACKAGE: The 43 pcs & 35 pcs DOT air line fittings assortment includes 18 pcs brass tube tee fittings, 28 pcs brass straight union connectors, 14 pcs brass straight push & NPT thread, 14 pcs 90°elbows NPT thread, 2 pcs brass 1/4" inflation Schrader valve, 2 pc tube cutter, 2 pc Teflon tape. Air brake line fittings types: 1/8", 1/4", 3/8", 1/2". PREMIUM DOT FITTINGS: CheeMuii DOT air hose fittings are made of CA360 pure brass, meet D.O.T. FMVSS 571.106 approved, SAE J1131 air brake system requirements, with corrosion resistance, high-temperature ductility, low permeability and long service life. MAX WORKING INTENSITY: The brass fittings can be operated in pressures from vacuum to 800 PSI and in temperatures from -40°F to +248°F (-40°C to +120°C). Note: see the tubing manufacturer's recommendations for pressure and temperature mutations. WIDE APPLICATION: The brass DOT air fittings can be used for air suspension systems, perfect for semi truck/trailer/RV repair air line leak, also ideal for industrial workshops, daily garden or lawn mower repair, towing machine hose connection, etc.