Explosionproof Drain/Breather; Type Breather/Drain; Thread Size 1/2 Inch; Material Stainless Steel; Enclosure Class I Div 1 and 2 Group C D, Class II Div 1 and 2 Group F G, Class III; Approval UL 1203, CSA C22.2; Applicable Standard CEC, NEC, EEMAC/NEMA FB-1; Constructional Feature Dustproof, Explosionproof, Ignitionproof
