The ecoBrAC gas standard cylinders are composed of 100ppm Ethanol (C2H60) with a Nitrogen (N2) balance. They are manufactured in the USA at a ISO-17025 accredited laboratory. All gas standard cylinders are NIST traceable and have a 3 year shelf life. The cylinders are affixed with a precision gas mixture label that provides the SDS number, lot number, manufacture date, expiration date and altitude correction factors. All cylinders are recyclable and part of a FREE shipping return program.

The 73-TPBR regulator offers an on/off "push button" rather than a "turn knob". Flow rate is .01-6 LPM Fixed. Made of brass and nickel plated. Guage PSI is 1200 PSI. For use with our 34L and 105L ecoBrAC cylinders.