Front side angle of The Lottie Non Valve Face Mask
Full Front side angle of The Lottie Non Valve Face Mask
Right side angle of The Lottie Non Valve Face Mask with the Headstrap
Right side angle of The Lottie Non Valve Face Mask
Left side angle of The Lottie Non Valve Face Mask
Close up image of Toggle on The Lottie Non Valve Face Mask
Right side angle of The Lottie Non Valve Face Mask XS size
Right side angle of The Lottie Non Valve Face Mask with the Packaging Box
The Lottie Non Valve Face Mask with User manual, Box and Warranty Card

The Lottie - Non-Valve Mask

$25.50 $32
Size:
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Named after Princess Charlotte, born in 2015, daughter of the Prince and Princess of Wales. The first Princess in the British Royal Family's succession not to lose her position in line to the throne after her brother, Prince Louis, was born. Pretty in Pink, Princess Charlotte is currently 3rd in line to the throne. 

The Lottie 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 active use (3 – 6 months)
  • Ideal for air travel, grocery shopping, and crowded places
  • Zero valve 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

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

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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)
  • 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.

    The PRO Mask can be used for up to 340 hours depending on the level of pollution it is exposed to.

    For the average customer this is around 3-6 months of wear. The mask can be washed with soap and hot water, however, keep in mind that this will not extend the life of the filters.

    For all the details of the filter’s lifespan, check out our FAQ page.

    Customer Reviews

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    Customer

    Very cute and one of the best mask without a valve out there

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