Buy Fernco Flexible Dishwasher Drain Connector 1/2" X 3/4"
InSinkErator 4-in 0.875-in OD Inlet x 0.875-in Compression Outlet Rubber Dishwasher Connector in the Appliance Supply Lines & Drain Hoses department at Lowes.com
Drain Hose Connector Washing Machine Dishwasher Pipe Tube Y Splitter With Clips | eBay
Amazon.com: First4Spares Universal Dishwasher Pipe Tube Y Piece Drain Hose Connector And Clips Kit 19Mm : Appliances