Air conditioning connector M20x1.5, RAL 9005 deep black, connection thread standard length, polyamide PA6 V-0, filter element non-woven fabric, O-ring nitrile rubber NBR, castle nut polyamide PA6 V-0, connection thread metric, according to EN 60423, application in electrical housings , constant ventilation and drainage of housing interiors, pressure equalization between the housing interior and the surrounding atmosphere, reduces condensation in housings, installation at the lowest point of the housing base, condensation that builds up collects on the bottom of the housing, can drain away via the air conditioning connection mounted vertically downwards, easy to install, protection class max. IP65, only when installed in the bottom of the housing, temperature range -40 °C / +100 °C