The Symons - Non-Valve Mask LARGE The Darwin Non-Valve boasts exclusive

The Darwin Non-Valve boasts exclusive long-lasting filter technology designed by the British Ministry of Defence

Lieutenant Colonel Robert Blair Mayne

Apply the product to dry hands and massage until it is fully absorbed for noticeably soft and hydrated skin

Valve Deactivator is not included

Zero valve which results in limited ventilation so not advised for high intensity activities such as running

The Symons - Non-Valve Mask LARGE The Darwin Non-Valve boasts exclusiveThe Symons Non Valve mask boasts exclusive long lasting filter technology designed by the British Ministry of Defence. Filtering out nearly 100% of all harmful air pollutants and viruses. Unique Lab tested British Military Filtration Technology filters almost 100% of pollution, gases, allergens, smog, and pollen Lightweight, breathable material Filters 99. 6% of all viruses and 99. 7% of bacteria Filters PM10, PM2. 5, PM0. 3 Lasts up to 340 hours of