3M Air Regulating Valve Assembly allows wearer to set airflow

Features & Applications:

The 3M™ Air Regulating Valve Assembly V-300 and V-300SS is designed to provide those 3M helmets, loose fitting facepieces and hoods, which are approved for use with it, a continuous airflow of 6 to 15 scfm (170 to 425 lpm). The control knob (airflow) is set manually between upper and lower limits to suit the comfort requirements of the user.

Features

• Used with 3M L-Series headgear
• Requires up to 15 cfm at 25 - 55 psi depending on hose length