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  1. Industrial Scientific 1810-8001 Replacement Calibration Gas - 2% by volume Methane (103 Liter)

    Industrial Scientific 1810-8001 Replacement Calibration Gas - 2% by volume Methane (103 Liter)

    $145.00
    2% by volume Methane Calibration Gas, Balance Air, 103 Liter Steel Cylinder (Industrial Scientific 18108001 Equivalent). RFID tag is not included.
  2. Industrial Scientific 1810-1378 Replacement Calibration Gas - 50% LEL Methane (103 Liter)

    Industrial Scientific 1810-1378 Replacement Calibration Gas - 50% LEL Methane (103 Liter)

    $145.00
    50% LEL Methane Calibration Gas, Balance Air, 103 Liter Steel Cylinder (Industrial Scientific 18101378 Equivalent). RFID tag is not included.
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