21 FT Retracting Sani-Con RV Waste/Sewer Discharge Hose Thetford – 70424, Black Description
This hose is up to 21 feet long and then it will retract to 7 feet. It can be used with a Sani-Con macerating pump. The 1 inch inside diameter is good for the right flow rate. Add extra sections quickly with the push-on barb connectors that are included in this kit.