Product Description
GASCO 221L-85-0.8 Precision Calibration Gas Hydrogen 0.8% Volume (20% LEL) Balance Air in a 221 Liter Steel Cylinder CGA 165 Connection
GASCO 221L-85-0.8 Precision Calibration Gas Hydrogen 0.8% Volume (20% LEL) Balance Air in a 221 Liter Steel Cylinder CGA 165 Connection