SZ Pressure relief stoppers, Pressure relief stoppers, Polyamide, Similar to RAL 9005, Incl. lock nut, IP 68 | IP X8, Type 1 | Type 4 | Type 4X, 39269097, 5 pc(s), 0.033 lbs, 4028177516960, Pressure relief plug in polyamide, with integrated sealing membrane, specifically for exposure to changing climatic conditions (e.g. with outdoor installation).