ABS 3/4" Street Elbow. ABS Pipe is a light weight and quiet DWV (Drain, Waste, Vent) Pipe. ABS Pipe is generally used in residential applications like: Bathroom fixtures, kitchen appliances, and ventilation systems. ABS is versatile and recommended for use as a water systems only. ABS Pipe and Fittings, like PVC, are to be glued together for a more reliable seal. This ABS 3/4" Street Elbow is designed with a 45 Degree swoop that increased flow, and efficiently keeps the water and waste moving out of the system.