This ventilation plug by Delock prevents the formation of condensation and humidity in the enclosure and ensures permanent pressure and air equalisation. IP67 / 68 dust and waterproof The ventilation plug also offers increased protection against dirt and moisture. Specification https://elecena.pl/product/25435850/60480-ventilation-plug-m12-grey-2-pcs 2024-02-25 https://elecena.pl/product/25435850/60480-ventilation-plug-m12-grey-2-pcs 2024-03-26