3M, Air Flow Indication Meter for Turbo Unit Winter Liners Headwear Lime meets Class 2 Level

Lime meets Class 2 Level 2

it features 80% polyester and 20% cotton blend

quilted cotton fleece lining

LONGWEARING COMFORT: Strong support around the chin area and good flexibility on the nose bridge

1/4" galvanized cable dual-ring

3M, Air Flow Indication Meter for Turbo Unit Winter Liners Headwear Lime meets Class 2 LevelThe 3M 520 01 21 Flow Meter is used to indicate the airflow rate on 3M Breathe Easy PAPR Systems. It is placed over the air outlet on the Turbo unit, or at the end of the air supply hose. The airflow causes the float ball to rise, and marking indicate the flow rate. This becomes important in determining if filters have become clogged, or if the Turbo unit is functioning properly.