4" Copper Roof Drain w/Overflo
Combines roof drain, flashing skirt and overflow all in one unit. Designed for flat roof installations. Seamless, one-piece construction. Drain and flange are formed from 100% copper. No-hub adapter is 100% brass. Made in the U.S.A. Dimensions: Flange 23 gauge. Drain / Flange: 24" x 18". Drain Basin: 10" Overflow grate included.