Air Systems AQTCOO2KIT Air Quality Test Kit For CO and O2 Levels

Air Systems AQTCOO2KIT Air Quality Test Kit For CO and O2 Levels A compressed air cylinder test kit provides a direct reading for CO and O2. The kit has a high-pressure connect hose with CGA-347. This listing is for each.  Specifications  For Use With: HP Breathing Air CylindersMaterial: Plastic CaseIncludes: Cylinder Hose Item: CO/O2 Test MonitorCountry of Origin (subject to change): United States