Material Rubber Color 16MM Style Modern About this item 【Quick inflation and deflation】: The screw valve can be installed in the piston hole of about 16.5mm. The pneumatic valve is a one-way inflation valve, ideal for quick inflation and deflation, saving you time. 【Durable and anti-seawater corrosion】: The air valve inflatable boat spiral is made of high-quality rubber. The inflatable mattress replacement valve is durable and has the characteristics of seawater corrosion resistance, anti-leakage and long service life. 【Anti-leakage design】: The inflatable air valve replacement screw is designed to be closed. There is a rubber pad at the bottom of the air plug. After inflation, the rubber pad at the bottom of the 16.5mm screw air valve will automatically fit the edge of the air plug, which can prevent leakage more effectively and provide you with safer protection. 【Easy to install and disassemble】: The air valve adopts a spiral design, easy to install and disassemble, you just need to