The 4WCBM Series Waste Containers are the only bottom mount units available with Rev-A-Shelf?s patent pending Rev-A-Motion? Soft Open-Soft Close slide system. The innovative gas spring assisted Soft-Open allows the unit to open smoothly and the Soft-Close shuts softly, even under the heaviest of loads. All units feature metallic silver waste containers and built-in door mount brackets and many have a removable wood bin in rear for bag storage. The 4WCBM is easy to install with only five screws and features a beautiful dovetail constructed frame, concealed 150 lb. slides for a clean look. The 4WCBM Series Waste Containers are the only bottom mount units available with full extension slides. The innovative gas spring assisted soft-open allows the unit to open smoothly and the Soft-Close shuts softly, even under the heaviest of loads. All units feature metallic silver waste containers and built-in door mount brackets and many have a removable wood bin in rear for bag storage. The 4WCBM is easy to install with only five screws and features a beautiful dovetail constructed frame, concealed 150 lb. slides for a clean look.Features:?-?Different widths available for your particular application-?Pre-assembled and ready to install in your cabinet-?Door mount brackets included for a easy one-step open process-?Features Rev-A-Shelf patented Rev-A-Motion for soft-open and soft-close (US Patent #: 8,091,971)Package includes:?(1) Silver 35 quart waste container with Wood frame and mounting hardwareDimensions:??12"W x 21.75"D x 19.25"H