Product Size: Upper outer diameter: 6.5cm/2.56inch, Lower outer diameter: 4.2cm/1.65inch, Height after tightening: 5.3cm/2.09inch.
Material: Premium plastic material, wear resistant, sturdy and durable, good sealing and .
Quality: Easy to install, professionally manufactured, good performance and long service life.
Function: Good sealing and leakage protection, help quicker inflation and deflation.
Application: Universal for inflatable boats, kayak boats, dinghies, canoes, rafts, etc. The air valve adapter is applicable to all kinds of six holes or eight holes valves.