UTV ARB® Compressor Tube Bracket System. Connect your ARB compressor to any tube 1 ¾ to 2 ½ inches. INCLUDES •Heavy Duty Tube Mounting Bracket •Mounting Hardware •Powder Coated Black •2 x 90° ⅜” Swivel Push-to-Connect Fitting •72” Hi Temp/Hi Pressure Air Line Hose