... 5.waterproof , Protective vents Reduce condensation, prevent contamination, Equalize pressure, gas permeable, oleophobic , waterproof ,anti –dusBrief introduction of ... , splashes, and temporary water immersion while providing pressure venting and equalization. ePTFE membrane are firmly welded ... control module, Vents allow rapid exchange of air in response to pressure changes — in other words, they allow ...