Grade "D" Breathable Air is the result of proper filtration and monitoring. You need both to be compliant. Select the following monitor to complete your breathing air system for OSHA compliance.
Continuous monitoring of the air you breathe is available with this world-class sensor technology. It monitors for carbon monoxide and toxic hydrocarbons to provide complete protection. Also a built in system to monitor both high and low-pressure levels is standard. Complete with both audible and visual tri-color alarms. All housed in a rugged wall mount case. 120 VAC or 12 VDC.