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2 Sets (96 hours) of Replacement Electrospun Nanotechnology Filters
2 Sets (96 hours) of Replacement Electrospun Nanotechnology Filters

2 Sets (96 hours) of Replacement Electrospun Nanotechnology Filters

¥56.00

*IMPORTANT: Please be sure to MATCH Filter Size dropdown below with Masks you are purchasing or have purchased in the past.

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2 Sets (96 hours) of Replacement Electrospun Nanotechnology Filters. (2 right & 2 left) in each bag.


Each filter set (1 right & 1 left) is designed for up to 48 hours of total wear time, with 24 hours recommended for optimal performance. Filters may be worn across multiple uses within that timeframe, as long as they remain dry and breathing remains comfortable.​ Filters should never be exposed to water or washed. When washing your mask, simply remove the filters, wash and fully dry your mask (ideally sun dry), and then reinsert your filters.


If you are wearing your mask less frequently, store your filters in a clean, dry, fully sealed environment between uses. Filters should be replaced once they reach 48 hours of total use, or sooner if they have been exposed to moisture or if breathing becomes more difficult.​ Using filters beyond the recommended timeframe or exposing them to moisture can reduce filtration efficiency and breathability, and may allow for the buildup of bacteria over time, which is why timely replacement is important.​ We recommend replacing your filters immediately after air travel, attending a high-risk or crowded event, or any time you feel exposed. For filter instructions, please see our video here.


Each mask filter contains an excess of 15 miles of nanofiber matrix (thousands of times smaller than a human hair) in an area less than 1mm thick! They are invisible to the naked eye and can protect with 99% efficiency all the way down to nano aerosols as small as 0.1 microns. 

Note: our non-woven polymers are made sustainably at low temperatures in New Zealand, and are inert and non-toxic. We do NOT use antibacterial additives, graphene, carbon, activated charcoal, Silvadur, or woven heavy metal nano particles such as copper, silver or zinc common in many surgical and filtered cloth masks. Our 15 miles of nanofiber matrix is sandwiched between two layers of polypropylene (one on each filter side) so the risk of fiber shedding or inhalation of fine nanoparticles is significantly reduced. Our materials were designed for kids, seniors and those with respiratory conditions and chemical sensitivities. 

These filters are shaped and designed specifically for the Unicorn Mask, and we therefore do not recommend inserting them into different mask brands, as it will drastically reduce the efficiency rating!

  • Kids size options to fit your Unicorn mask:
  • Kids Small: Ages 2-3
  • Kids Medium: Ages 4-5
  • 45-75 Lbs will be Adult Small

  • Adult size options to fit your Unicorn mask:
  • Small: 45-75 Lbs, 20-34 Kg
  • Medium: 75-130 Lbs, 34-59 Kg
  • Large: 130-190 Lbs, 59-86 Kg
  • X-Large: 190+ Lbs, 86+ Kg

Featuring proprietary New Zealand SETA® electrospun nanotechnology

99% Efficiency blocking particles at 0.1 microns (Coronavirus ≈ 0.125 microns)

Filters are not washable. Mask sold separately.

*Unicorn masks are ASTM F3502 face barrier coverings, and not considered medical masks or respirators.

"As a biomedical engineer scientist with focused research on nanotechnology for regenerative and translational medicine, I endorse the use of nanotechnology utilized by Unicorn Breathing Mask, specifically with the use of electrospinning nanofiber polymers to filter out particulates down to the 0.1 um dimension. This is crucial when providing effective filters for a breathable face mask as a barrier towards viruses like that of the coronavirus. This mask is capable of protecting one from viral particulates exposure due to its robust electrospun nanofiber innovation and recommended 3-ply construction."

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