In all the pieces, chalk and black dishwasher drain hose alike, the work is created by the incremental addition of like units, shaped to fit. (sfgate.com)
This would not be practical for a normal size grey water drain hose, but ours is relatively small in diameter and only handles grey water. (builditsolar.com)
Increased Water Pressure The Fusion Tech drain hose spray nozzle increases water pressure coming from your hose to provide a high powered drain cleaning solution. (ftiinc.org)