GfG Respiratory Air Monitoring 4021 AutoCal System Sensor:Carbon Monoxide (CO) A guardrail system is a

A guardrail system is a fundamental of fall prevention when working on open floors and roof tops

MIL-STD-810F certified rugged housing for harsh environments

353-1048-LY - Hi-Vis Yellow

Internal pump

GfG Respiratory Air Monitoring 4021 AutoCal System Sensor:Carbon Monoxide (CO) A guardrail system is aGfG Respiratory Air Monitoring 4021 AutoCal System is the unit of choice where specific and accurate measurement of carbon monoxide or oxygen levels are required. Our innovative AutoCal system makes calibration and maintenance simple. Additional features include alarm relay contacts, user adjustable alarm points, and low flow alarm indicator. All models may be purchased with or without the 25, 50 and 100 CFM wall mounted filter panels which remove