Ozonics HR EZ Mount Attachment (2-Pack). Brand New Includes One Year Warranty . . The Ozonics HR EZ Mount Attachment makes mounting for Ozonics unit quick and quiet, even in the dark. The EZ Mount works like a receiver hitch that slides the unit into place. The HR EZ Mount works with Ozonics HR200, HR230 and HR300, and works with existing Ozonics Mounting System and with the Ozonics Extension Arm accessory. . . EZ Mount Attachment.