Quick Inflation: This valve extender can extend the length of the valve, so you can inflate the tire quickly and safely. At the same time the deflation function. . High Pressure Resistance Use strong and durable pressure resistant braided outer hose that can withstand pressure up to 300 PSI. It's better than a screw or unscrew connector, so you don't lose air when removing the inflator hose. . Wide range of uses: Our car tire inflation hose is very versatile and can be directly connected to your pump inner tube. It is not only used to inflate the tires of various bicycles, motorcycles, cars, buses, trucks and wheelchairs, but also to connect the inflator and use a compressor. . Easy to install Screw one end onto the inflator hose, attach the other end to the tire inflator and start the inflator to complete the inflation, just pull the air nozzle onto the screw connection of the pump. .