Null 2 In X 1 Pvc Dwv 90 Degree H Double Elbow

nibco 2 in x 1 1 2 in x 1 1 2 in pvc dwv 90 h x h x h double elbow dwv is used for non pressurized sanitary system drain waste and vent there are 2 types of dwv plastic abs black plastic and pvc white plastic the sanitary drainage and vent piping are installed to remove waste water and water borne wastes from the plumbing fixtures and appliances dwv also provides a circulation of air within the drainage piping abs black and pvc white plastic pipe and fittings have identical uses the only reason for selecting 1 material over another is either the cost of the material or local plumbing code restrictions