The Ozonics HR EZ Mount makes mounting your Ozonics™ unit quick and quiet, even in the dark; This mount allows you to simply slide the unit into place, similar to a receiver hitch. The HR EZ Mount works with Ozonics™ the HR230, HR300, Orion, and Orion X and works with existing Ozonics™ Mounting System - Extension Arm and the new Smart Arm Mounting System and T-Handle tree screw.