Designed for installation on all garbage disposals where the dishwasher drain inlet is located. The WP164020 provides a code listed alternative to the use of the drain saddle for fast easy installation on all disposals. Due to plumbing and installation differences, some RO systems during the water production phase can be noisy. Installation of this WP164020 drain line adapter will effectively reduce this noise during water production. This is easy to install directly in to a garbage disposal. No drilling in to current plumbing needed for installation and proper drain line performance. Unique design helps prevent plugging of the drain line. Comes with everything needed to install directly in to your under sink drain plumbing. Kit includes: One (1) Drain Line Adapter with Push-in Fitting and barb; One (1) Hose Coupler, Two (2) Marine Stainless Steel Hose Clamps.