Lappkabel skindicht plastic pressure compensation vents lappkabel 51730200 a black 12 x 1 5 lappkabel skindicht reg vent pressure compensation device made of polyamide containing a special breathable and waterproof membrane it is used as a ventilation system for housings preventing the formation of condensation while permitting pressure equalisation due to temperature and altitude lappkabel 51730200 skindicht vent plastic 12x1 5 black