This Dishwasher Drain Hose is used to connect your sink drain to your dishwasher. When replacing, make sure to use towels to catch any water that might leak out of the line. Also be sure that the sink end of the hose is the correct size - you can cut the sink end to fit if necessary before attaching. Hose measure approximately 17"L x 16"W x 2"D. This accessory can be used across several brands; check to see if your model number is compatible. Replacing this accessory will require basic hand tools, some disassembly of the dishwasher and novice repair experience. You must unplug the appliance or shut off the house circuit breaker for the appliance before installing this part. Also make sure you turn the water supply off to the dishwasher. Helpful Tip: We also recommend using affresh® Dishwasher Cleaner (item W10282479) to help remove limescale and mineral build-up that can be unsightly and affect your dishwasher's performance. *affresh® brand products are owned and distributed by Whirlpool Corporation.