Balance the differential tension within and outdoors the cavity to prevent condensation and untimely getting older failures of structural seals; Among our stainless steel vents offers the highest mechanical effect resistance score: IK10 (IEC 62262); A different is IECEx and ATEX Licensed, for gear running in perhaps explosive environments. IPRO https://metal-protective-vent71358.sharebyblog.com/33115409/the-smart-trick-of-portable-electronics-vents-that-nobody-is-discussing