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Description of BioGS HEPA Filter

What is a HEPA filter

HEPA filters (High Efficiency Particulate Air) are defined by JIS standards as having a particle collection rate of 99.97% or more for particles with a particle size of 0.3 μm at a rated air flow, and an initial pressure loss of Air filter with performance of 245Pa or less”

HEPA filters are one of the only filtration technologies that can remove even the smallest particles, and are widely used in hospital operating rooms, ICUs, incubators, as well as medical laboratories and other high-tech research and manufacturing facilities around the world. Commonly used in controlled environments

What is “BioGS HEPA Filter”

"BioGS" means to Germicidal and Sterilize Bio (bacteria and viruses) in the air. Rabbit Air's "BioGS HEPA Filter" is an improvement over traditional HEPA filters and consists of a unique static-charged fiber material Not only does it collect 99.97% of 0.3μm particles, which is the standard for HEPA filters, but it also collects 99% of even smaller particles of 0.1μm. In addition, with general HEPA filters, captured bacteria and allergens may grow if they remain on the filter for a long period of time, but the "BioGS HEPA filter" captured allergens*1 and bacteria*2 that adhered. Afterwards, it reduces and inhibits their growth, so it is possible to extend the filter life while maintaining a high filter effect.

Comparison of allergens*1 and bacteria*2 on HEPA filters

Allergens*1 and bacteria*2 on HEPA filters accumulate over time. I will continue

Allergens*1 and bacteria*2 adhered to the BioGS HEPA Filter decreased over time. I will continue

By reducing attached allergens*1 and suppressing the growth of bacteria and viruses*2, the filter will last longer while maintaining a high filter effect. I can

Common HEPA filter BioGS HEPA filter
Captures 99.97% of 0.3μ particles and allergens Yes Yes
Captures more than 99% of 0.1μ particles and allergens No Yes
Reduces major allergens such as dust, mites, mold, pollen, and pet dander attached to the filter No Yes
Suppresses the growth of bacteria and viruses on the filter, making the filter last longer while maintaining its high effectiveness. No Yes

*1 Test samples: mite allergen (Der f2), cedar pollen allergen (Cry j1) - Tested by Tokyo University of Agriculture 4 types of mixed spores (black mold, Penicillium citrinum, chaetomium globosum, mulberry), cat allergen (fel d1) - tested by Japan Food Research Laboratories
*2 Test sample: Influenza A virus (H1N1) - Tested by University of Tsukuba, University of Tottori, Japan Food Research Laboratories, National Research Institute of China Escherichia coli, Staphylococcus aureus - Tested by Japan Food Research Laboratories

Mechanism of collection

In addition to the four standard collection mechanisms*3 of conventional HEPA filters, the “BioGS HEPA Filter” captures particles with the force of static electricity. This ensures maximum effectiveness even for the smallest particles

*3 Four standard collection mechanisms: (1) collection by inertial force, (2) collection by diffusion (Brownian motion), (3) collection by obstruction, (4) collection by gravity

HEPA Filtration Process
Larger particles are trapped in the filter fibers
At high inhalation speeds, relatively small particles are trapped by inevitably colliding with the filter fibers.
Lighter particles are caught by hitting the filter fibers while riding in the air current
Particles smaller than 0.3 μm collide with air molecules, disrupting their trajectories This makes it nearly impossible for it to pass through the filter without being trapped by the filter fibers.
BioGS HEPA filters are static Particles passing through the filter are captured by being attracted to the electrically charged filter fibers

Bacterial defense ability

Unlike conventional HEPA filters, BioGS HEPA filters inhibit the growth of bacteria and viruses attached to the filter Therefore, even after filtering the air in the space, there are very few bacteria, molds or viruses left on the filter.

Simulation of reduction of bacteria (Staphylococcus aureus)*4

in 18 hours
Watch how bacteria are reduced

Allergen reduction test*5

in 1 hour
Rabbit Air
air purifier
Natural reduction over time

Pet dander and dust/mite reduction test*6

in 1 hour

in 1 hour

*4 Antibacterial ability test conducted by FITI Testing & Research Institute
*5 Allergen reduction test conducted by IBR Institute
*6 Allergen reduction test for pet dander (Fel d1) and dust mites (Der p1) conducted by Airmid Healthgroup

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