COMPLETE SYSYEM OnePlus / Waste Edge Usage 400 Trash / Recycle Retrofit (roll-off / frontend load) Compactor Management System - Combined Usage/Security and Fullness Monitor System, Gives You the Best of Both Worlds... Lower Waste Removal Costs and Access ControlLower your waste hauling costs and control access to compactor with the patented Waste Edge #400. It combines the Usage/Security and the Fullness Systems. Enables management to control waste compactor usage. Decreases cost by reducing the number of waste container pick-ups. Return on investment in just months!