Straight Union – Conduit to Conduit, Thread Gender Female to Female, Trade Size 1/2 in, 3/4 in, Compatible Conduit Type Vertical or Horizontal Rigid Conduit, Compatible Conduit Trade Size 1/2 in, 3/4 in, Ends – Hazardous Fittings 3/4 in FNPT x 1/2 in FNPT, Overall Length 3 in, Overall Height 1 7/8 in, Overall Width 1 7/8 in, Weight 0.6 lb, Steel, Finish PVC Coated, Urethane Coated, Hazardous Location Rating Class I, Division 1 and 2, Groups A, B, C, D, Class III, UNF, For Use With Conduit