... Iron Conduit Fitting Circular Box one way type 1. High quality with SGS, ISO conduit one way box Electric Galvanized Malleable Iron ... Conduit Fitting Circular Box one way type 1)- Leading Professional Manufacturer 2)- Certificate: ISO, SGS, ITS, BSI 3)- Burj ... ~2008 4)- Size: 20mm,25mm,32mm Conduit fitting box one way type 5)- Thread: DIN, BS, NPT, G Thread, Metric 6)- ...