The Donatello NON VALVE SMALL Head-straps and Nose-foam and Valve

Head-straps and Nose-foam and Valve Deactivator are not included

Historically known for its naval influence and its role in the expansion of the British Empire

Arber became the first woman botanist to be elected as a Fellow of the Royal Society in 1946

7% of bacteria

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

The Donatello NON VALVE SMALL Head-straps and Nose-foam and ValveThe Donatello Non Valve 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