The air pump uses the cylinder after unloading the spark plug as the gas source and the spark plug shell as the intake duct of the air pump. A gas pipeline, a one-way valve, a gas storage tank and a high-pressure flexible conduit are connected to the rear. Once the engine starts, it can inflate the air-deficient tire. The inflatable pump has the advantages of simple structure, compact size, portable on board, convenient and rapid inflatability of air-deficient tires in any occasion and anywhere.
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Website source: www.evpvacuum.com