Suitable for wet locations. Heavy wall, impact-resisant PVC. Threaded 1/2 NPT 13mm . Slanted bottom accepts conduits of different depths. PVC stabilizers included no concrete needed . 3 in. O.D. 76mm x 19 in. 483mm . Accepts Y or T fitters by others . Available in white, black, bronze, natural brass or verde. May be painted additional colors with water base paint. Use with UL Listed wet location fixture. UL and cUL Listed.