Blender DISS Fittings Flow Range 3 to 30 Lpm Number of Ports 4 Height 4 7/64 in Width 2 1/4 in Depth 4 59/64 in Weight 2.9 lb High/Low Alarm Yes Accuracy +/-3 Percent Housing Material ABS 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 Blender Buddy Mounting Bracket