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MEO™ Replaceable Filter Pack

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

$19.00 NZD



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

Color Variation Disclaimer:
We aim to offer our clients exactly what is ordered, but due to certain conditions, there may be variations from what you see on our website and what you see in person. The product colors you see on our website can vary in person due to the color variations of each photograph and each computer screen. Multiple factors can affect color display, none of which we have any control of. Thank you for your understanding of these small technicalities.