Charlotte Pipe and Foundry's new line of 10-inch and 12-inch PVC DWV molded fittings is now available. The fittings are injection molded, so they can offer greater structural integrity than fabricated fittings. Initially, they will be offered in a range of Reducer Couplings, Elbows, Wyes and Tees in 10" and 12". Charlotte Pipe and Foundry. Circle 7.