Outside Dia 39mm PP Plastic Air Vent Valve / One Way Air Filter Exhalation Valve

Outside Dia 39mm PP Plastic Air Vent Valve / One Way Air Filter Exhalation Valve

One way air filter , give better fit for better breath , better protection , and increase comfort ,  release internal heat

and moisture accumulation , prolong the usage time 

Packaging:

1 . 5 layers of corrugated paper, inner and outer with film,The box size is 67*42*45cm.

2 . Customized package was accepted 

Shipping:

1 . By sea for FOB,CIF,Door to Door,and so on.

2 . By express delivery(usually for sample order)

3 . The delivery time is about one week after confirm order and payent.