Hub X Hub Reducer Coupling - 4" X 3" FREE SHIPPING many such applications produce a

many such applications produce a significant amount of dust

Won't harm surfaces

Operates on standard 120 volt

Made of good-quality American hickory

& water heaters

Hub X Hub Reducer Coupling - 4" X 3" FREE SHIPPING many such applications produce a"MUELLER" REDUCER COUPLING Size : 4" x 3" Used to join 2 lengths of pipe while also reducing pipe size For non pressure drain waste & vent installation Low chemical resistance Black material. WARNING: This product can expose you to chemicals including titanium dioxide and carbon black which are known to the State of California to cause cancer. For more information go to www. P65Warnings. ca. gov