Volkswagen vw T5, T6, viano, vivaro, trafic air lock ventilation rear door camper van

This piece Airlock or Air lock adapter is to ventilate your VW T5, T6, viano, vivaro, trafic through the tailgate. Important: do not serve for Volkswagen vans or other double door
Is of metal and of color black. Provides ventilation as the tailgate can be reconfigured to about 10 cm retracted this position and preventing its opening from the outside.