... T,D/P 5,ISO,IEC,CE 1,Model:SMEM3-1/2''(SMEM2-1/2''.SMEM1-4/4'',SM1-1/2,SMEM1/2'',SMEM1''-4 ... '')2,Electrical metal tube,electrical conduit,galvanized tubes3,Surface Mareials:Galvanizing4,Usage:expored and ... concealed work,use above ground or light circuits,and control lines and other power application---Corronsion and abrasion resistance Pipe ...