The confined space kit comes equipped with all the accessories you need to safely sample during confined space entry work, including: GasAlertMax XT II, IR connectivity kit with Fleet Manager II software, 10' sampling hose, 0.5 LPM regulator, sampling probe, five hydrophobic and five particulate pump filters, 34-liter calibration gas cylinder (2.5% methane; 18% oxygen , 25ppm hydrogen sulfide; 100ppm carbon monoxide), and wall charging adapter.