Blender DISS Fittings Flow Range Up to 30 Lpm Number of Ports 2 Height 3 39/64 in Width 3 13/32 in Depth 3 1/2 in Weight 2.75 lb High/Low Alarm No Accuracy +/-3 Percent Housing Material Aluminum Measurement Range 3 to 30 Lpm 59 Degrees to 104 Degrees F Power Requirements 50 psi Air/50 psi Oxygen For Use With Air/Oxygen Includes Knob Hose Connection Mounting Bracket