Our product is designed to connect the dishwasher drain to the garbage disposal. Separate garbage disposal installation not need our product. Compatible Model: Dishwasher drain hose adapter compatible with InSinkErator Garbage Disposal; model compatibility: compatible with Badger, Compact, CoverControlPlus, Essential, Excel, Select, Select Plus, Septic Assist, SupremeSS. Note:The function of the hose is to connect the dishwasher to the garbage disposal. It is not required for the garbage disposal installation. Includes: Each set includes 1 Inlet Connector, 1 Hose Clamp, and 3 Spring Clamps; The actual quantity is the same as shown in the main picture Size Information: The inlet connector has a 0.64 inch inner diameter on one end and a 0.86 inch inner diameter on the other end; With a tapered design, the connector can fit on either a 0.5 inch, 0.83 inch, 1 inch or a 1.2 inch hose Function: The Dishwasher Connector Kit is a quick and easy way to connect your dishwasher drain to your food waste disposer; This dishwasher connector kit made by nice materials, it's reliable and sturdy Simple Installation: No need for professional maintenance personnel to install, you can quickly install it yourself, very simple