Cambridge Mask Non Valve The Botanist

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The 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 active use (3 – 6 months)
  • Ideal for air travel, grocery shopping, and crowded places
  • Zero valve which results in limited ventilation so not advised for high-intensity activities such as running, cycling, or other sport.
  • Adjustable ear loops with toggles for a secure snug fit
  • Presented in eco-friendly packaging for storage

Independently Tested Filter

  • Certified as child safe under 14 U.S.C 1278a and CFR Parts 1370 1501 1500.53 and 1500.44 (Certified by Bay Area Testing Labs)
  • EN149 standards for CE in the European Union
  • 99.6% viral filtration efficiency and 99.7% bacterial filtration efficiency (tested by Nelson Labs USA)
  • Particle Filtration Efficiency >98%

The PRO mask uses a unique triple filter system.

The first layer of the filter system catches larger pollution particles such as dust and PM10. It’s then backed up by the Three-Ply Micro Particulate which stops nearly 100% of smaller particulate matter such as PM2.5 and PM0.3.

The inner filtration layer is made from 100% pure activated carbon cloth, originally developed by the UK Ministry of Defence for chemical, biological, and nuclear warfare protection.

The carbon filter is treated with silver to ensure 99% of harmful pathogens are removed and killed.

This multi layered  filter system means the Cambridge Mask performs better and lasts longer than other masks on the market.

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