Material:PC +PE
Weldable area inner:49mm
Outer size:64mm
Height:25mm
Function:inflation or deflation

How to use:

1.Open the lid of the valve,connect the air pump with the valve,the air can enter into the PVC products.

2.When you roll the ring of the valve,you will see the bottom out of the valve,it means that the air will go out.

Pictures of valve is as follows: