Multi Calibration Gas Mix: 25 PPM Hydrogen Sulfide, 100 PPM Carbon Monoxide, 2.5% (50% LEL) Methane, 18% Oxygen, Balance Nitrogen (29 Liter)

BW Technologies REG-0.5 Calibration Gas Regulator, 0.5L/min

BW Technologies MCXL-XWHM-Y-NA GasAlertMicroClip XL 4 Gas Detector, CO, H2S, LEL and O2, Yellow

Lion Locks 5PLS Keyed-Alike Padlock, 1-9/16-inch Wide 2-inch Shackle, 12-Pack

Replacement Oxygen Sensor for BW Tech Gas Alert MicroClip XT

BW Technologies CG-Q34-4 Quad Calibration Gas Aluminum Cylinder, 2.5 Percent CH4, 18.0 Percent O2, 25 ppm H2S, 100 ppm CO, N2 Balance, 34L Capacity

BW Technologies MC2-XWHM-Y-NA GasAlertMicroClip XT 4-Gas Detector with Rechargeable Lithium Polymer Battery, Combustible, O2, H2S and CO, Yellow

BW Technologies XT-XWHM-Y-NA GasAlertMax XT II 4-Gas Detector with Pump, Combustible, O2, H2S and CO, Yellow

BW SR-X2V Gasalertmax Xt Ii New Replacement O2 Sensor