Universal Boston one-way valves for inflatable boats – Pack of 4, black, compatible with kayaks, rafts, pools and air mattresses

Material: The Boston inflatable valve is made of high-quality ABS material, strong and durable, corrosion-resistant, and not prone to air leaks.

Size: The bottom diameter of the threaded part is 22 mm (outer) / 20 mm (inner). The specific size of the Boston valve is shown in the second image. Please check the size to ensure your valve plug fits this cap before purchasing.

Application: Ideal for standard Boston valve replacement kits and most inflatable mattresses for inflatable boats, kayaks, pools, etc.

The valve is a one-way inflation valve, ideal for quick inflation. The air valve cap design is sealed to ensure leak-proof inflation.