Mechanical Flowmeter, Mechanical Flowmeter, For Pipe Size 1/8 in to 1 in, Connection Size 1/8 in, Connection Type FNPT, Fluid Temp. Range 40 Degrees to 200 Degrees F, Wetted Materials 316 Stainless Steel, Borosilicate Glass, Clear Polycarbonate, PTFE, Viton, Max. Pressure 150 psi, Flow Range 0 to 50 ccm, Max. Viscosity 79.8 SUS, Flow Material Air, Variable Area, GPM Max. -, Max. Voltage -, Length 2 11/32 in, Width 1 1/4 in, Height 9 13/16 in, Housing Material Aluminum, Fitting Stainless Steel