EASTMAN 6-ft 5/8, 7/8, or 1-in Od Inlet x 5/8-in Od Outlet Polypropylene Dishwasher Drain Hose in the Appliance Supply Lines & Drain Hoses department at Lowes.com
TT FLEX HC-4DWD72 Universal Dishwasher Drain Hose - 6 Ft Discharge Hose - Corrugated and Flexible Dishwasher Hose Drain Replacement with Clamp
The Seven Ways to Unclog a Dishwasher Drain - Fred's Appliance