Calibration Gas Gas Name Propane Gas Mixture 1.1 Percent C3H8 Background Gas Air Cylinder Capacity 21 L Cylinder Material Steel For Use With Mfr No 906-00000-08 906-00000-09 910-00100-A 910-00100-B 910-00100-C 910-00100-D 910-00100-E 910-00100-F 910-00100