MSA 711088 Calibration Gas Mixture Equivalent by GASCO, 0.5 PPM Phosphine Balance Nitrogen contained in a 34 Liter Disposable Aluminum Cylinder, For Use with Any and All Gas Detectors, Cylinder Connection C-10, Calibration Certificate NIST, Made in the USA
Product is made by Gasco in the USA, not by MSA. Product does not ship with any RFID Shoulder Cards or Chips on the Cylinder.