2.0 Replacement Exhalation Valves Flo Green
Customize your mask with our new and improved 2.0 Dual-Exhalation Valve System.
Dual Valve Technology: A one-way airflow vent expels condensation keeping the mask interior dry. Each valve facilitates easy breathing outwards by optimizing airflow. An easy twist seal locks the inner filter in place and blocks unfiltered air.