1000-0263 Model Code: AA (part# 1000-0263) 2 Gas Calibration Flowmeter Single Gas Calibration Flowmeter This item features: -MIG/TIG applications. -Flowtube and outer tube are made of impact resistant Lexan for severe applications. -Pressures compensate for low surge requirement. -Inlet Size: 1/4 in NPT(M). -Outlet Connection: 5/8 in - 18 RH(F). -Price is for 1 Each. Model Code Model Description AAFlow Range:15 - 65 SCFH Argon, 40 - 200 SCFH Helium, Inlet Pressure:80 psig ABFlow Range:30 - 100 SCFH CO2, Inlet Pressure:25 psig