Universal Drain Line Adapter For Disposal Unit with Dishwasher Hose Connection - 7/8" Barb - 3/8" QC Quick Connect - RO, Reverse Osmosis, Drinking Water, Water Ionizer Universal adapter accommodates 1/2", 5/8", 3/4", and 7/8" dishwasher drain hose Converts for installation with or without a dishwasher (see lower illustration) Comes with all the fittings and instructions needed for installation Simple installation bypasses existing plumbing with no pipes to undo Silent operation eliminates most reject water noise