These types of fittings are specially made for sewer, drain, and vent applications. It is not designed for high-pressure applications. Made of PVC and provided with solvent-type socket ends or rubber-type socket ends for connectivity. These fittings are also called DWV or drain waste vent fittings. It normally comes in orange color is internationally named. These fittings range from size 2” (50mm) to 300mm(12”). The most common fittings are Tee, Wye, and Elbow.