3M Versaflo BT-20 Breathing Tube, 1 Each Size:Small/Medium The three stage switch provides

The three stage switch provides not only green and red mode but also an endcap flashlight

This plug is a low pressure

NIOSH-approved for use with 3M Secure Click cartridges and filters

dynamic noise-reducing voice pickup

3M Versaflo BT-20 Breathing Tube, 1 Each Size:Small/Medium The three stage switch provides3M Versaflo BT 20 Breathing Tube, Black 1 Each The 3M Versaflo BT 20 Breathing Tube is a durable and flexible air supply component designed for seamless integration with 3M Respiratory Headtops and Air Delivery Units. Featuring a lightweight, easy to connect design with a smooth interior for optimized airflow, it ensures reliable and comfortable respiratory protection in demanding environments. This high performance breathing tube delivers a steady