The air line service kit with 1/4 inch air line tubing and airbag suspension parts fittings to replace broken air bag air line fittings 20 Feet 1/4 inch OD red air line tubing is flexible to allow to go around bends easily. Push to Connect Brass air lift kits with fittings : 2 X 1/4 NPT Elbow Fitting + 1 X Union Tee + 2 X Air Inflation Schrader Valve. Easy Installation: all the air line fittings in air suspension line kit are push-to-connect(PTC),remove old broke air lines and fittings----just push the air line tube into the hole---replace with our air line repair kit. Replaces for: The airbag spring kit air suspension system or compressor of vehicle's(truck/motorhome/RV,such as:chevy silverado suburban tahoe yukon sierra jeep toyota ),rebuilding leakage of air lift kits on lines/airbag kits,air suspension,Fixing air bags/air line leak issues.