Waste Master Disposers are the logical alternative to high priced, old line disposers. Our disposers are the latest word in materials and design features while being very competitively priced. Waste Master Disposers also include grind master premium performance components create the ultimate home waste disposal system. This Waste Master kit includes one complete air switch system as pictured with a stainless steel finish.2600 RPM LiquiDator magnet motor nearly eliminates clogging or binding.Acoustically balanced steel turntable and armature for smooth, quiet operation.Cast stainless steel impellers for superior longevity.GuardMaster removable splash guard for easy cleaning.MountMaster locking system for easy installation.Corrosion proof 7/8" dishwasher inlet with knock-out plug.Includes one complete air switch unit in stainless steel.Model: WM50S_20