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MEO™ Replaceable Filter Pack

MEO™Helix™ Replaceable Filter Pack of 3 Buy 10 Get 10 Free

$19.00 USD

To the Middle East: shipping from local warehouse: within 5 working days



Due to large order numbers and supply chain disruption from the coronavirus crisis, we are running out of packaging materials. Note you may receive our filters without a box but every unit will remain individually sealed.

MEO™  Helix™ Replaceable Filter Pack contains three replaceable filters.

5 key elements:

  • Filtration – MEO™ HELIX™ Filter Media provides superior electrostatic performance, capturing over 99.85% of PM 0.1 particles and filtering out more than 99.99% of airborne bacteria.
  • Breathability – we have the world’s most breathable filter media, allowing the wearer to receive a steady stream of purified air because it takes less energy to draw air through the filter.
  • Standards – AS/NZS 1716:2012 .
  • Fitting – Come in three different sizes in order to match your mask.
  • Ease –  Very easy to be replaced and disposed.




What Is In The Box

  • 3 MEO™ Helix™ Filters

SKU: N/A Category:


AS/NZS 1716:2012
The filter element submitted is able to capture 97% of particles, at a pressure drop of 35 Pa. This means that the Large element size reaches a P2 pass rating
Microbial Cleanliness (Bioburden) of Medical Masks according to EN 14683
There is a very low level of aerobic bacteria and fungi found on the the mask, so the mask can be considered "clean" when it is made.
MEM Elution / Cytotoxicity
The test result is a pass. A score of 2 means some materials in the mask still cause cell death, but not enough to be be considered damaging. This means the mask is considered non-cytotoxic.
Latex Particle Filtration Efficiency (PFE) according to ASTM F2299
The filter is able to capture 99.85% of 0.1 um particles created when tested at that flow rate.
Bacterial Filtration Efficiency (PFE) according to ASTM F2101
The filter is able to capture 99.99902% of 3 um Staph bacteria created when tested at that flow rate.

Its many advantages include

  • Superior electrostatic performance for capturing particles.
  • Removes noxious gases.
  • Inhibits the growth of bacteria.
  • Made from a renewable resource.
  • Hypoallergenic


MEO™ natural filter uses scientifically selected wool from sheep specially breed in Wanaka, New Zealand.


To find your MEO™ size, measure the circumference from your chin to the back of your neck.

  • S : 365-425mm
  • M : 425-480mm
  • L : 480-545mm

Reminder: If you are between two sizes:

  • Please choose the bigger size if you want the best breathability
  • Please choose the smaller size if you want a snug fit
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