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6 Stage Filtration
The Minus A2™'s filtration system is based on a breakthrough technology that employs a 6-stage purification and deodorization system. It traps airborne allergens and contaminants down to 0.3 microns in size 99.97% of the time. Stage 4 includes a customized filter which adds an extra layer of protection against different types of germs, chemicals and allergens. Choose between: Germ Defense (Baby), Toxin absorber (New House), or Pet Allergy (Pet Lover).
Stage 1 - Nano-Silver Pre-Filter
The nano-silver pre-filter is specially treated through an electrostatic process. This nano-silver pre-filter can effectively kill germs and trap pet hair, large size allergens and dust.
  
Stage 2 - Medium Filter
The anti-bacterial medium filter destroys mold and bacteria while trapping airborne allergens larger than 1 micron in size such as pollen and pet dander. This filter increases the overall purifying efficiency of the Minus A2™ air purifier and extends the life span of the HEPA filter.
   
Stage 3 - BioGS Signature HEPA Filter
BioGS Signature HEPA filter traps & destroy airborne allergens down to 0.3 micron in size, 99.97% of the time. This filter also eliminates germs & mold.
   
Stage 4 - Custom Filter
You can customize your Minus A2™ air purifier by choosing the custom filter that best fits your needs. You have a choice of Germ Defense, Toxin Absorber, and Pet Allergy. Each type of custom filter is specially engineered to trap and destroy different types of germs, chemicals and allergens.
- Germ Defense (Baby) Filter - Effectively traps and destroys mold, viruses and bacteria such as Legionella.
 
- Pet Allergy (Pet Lover) Filter - Effectively traps and destroys pet dander and germs from your pet such as influenza virus & bacteria.
 
- Toxin Absorber (New House) Filter - Eliminates toxic formaldehyde, VOCs & other offgassing from new house materials & furnishings such as carpet & paint.

Stage 5 - AC Carbon Filter
The activated carbon filter can effectively remove odors, VOCs, and common household odors.
   
Stage 6 - Negative Ions
Negative Ions facilitate the purification process and are known to improve low energy and depression.
Next » Custom Filters
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