<p>There are three specifications of gas in the treadle type gas pump, which are suitable for different gas filling product ports. It is used for going out and carrying. It can be inflated without power supply</p><p>and other accessories. At the same time, the air spring has two ports of suction and inflation to inflate and exhaust. </p><p>inflation volume: 2 × 700CC </p><p>product material: PVC </p><p>Scope of application: inflatable use of inflatable products</p><p>Applicable environment: indoor and outdoor</p><p>Products include: 1x foot pump 1x manual pump</p>