The Cover Guard adjustable lineset cover system is designed to protect and conceal exposed ducted and ductless HVAC piping. It complements any residence or business with a finished look. Cover Guard's 4-stage adjustability allows for a wide range of line sizes, from 1.75 to 3.5 inches deep. The easy lock adjustable fittings can be opened and closed as needed for critical adjustments whenever necessary. Installation is easy with its convenient peel-and-go film, as well as the quick snap covers that won't release under pressure