The moisture meter can quickly measure the moisture content of the grain. 1. High pressure resistance: Made of hard plastic and high strength alloy, with strong structure, labor saving, high pressure resistance, sealing 2. Function: no need special air pump for paddle, and the paddle inflation interface can be converted to inflate it with ordinary air pump or electric pump on board 3. Scope of application: suitable for most inflatable boats, river rafts, kayaks and kayaks. Useful tool for pumping the ship with an ordinary inflator 4. Lightweight and durable: lightweight and compact, easy to carry and store for a better user experience 5. Convenient conversion: pontoon valve adapter, easy to convert, fast air inflating, reliable and durable Specification: Item Type: Valve Adapter Material: brass, rubber, PA66 List of packages: 1 valve adapter