What Is a HEPA Filter?A high-efficiency particulate air (HEPA) filter can remove 99.97% - 99.99% of airborne particles that are equal to, smaller or larger than 0.3 microns in size (EPA). The efficiency is rated based on the worst level possible, so think about it as 99.97% or BETTER. Show
HEPA filters are tested using air particles that are 0.3 micron size as those are the most difficult size for a HEPA filter to catch. HEPA filters are actually more efficient at capturing smaller-sized particles, like those the size of viruses (which on average are 0.1 microns), due to how these smaller size particles behave (see NASA research). This is based on MERV (Minimum Efficiency Reporting Values) ratings as determined by the American Society of Heating, Refrigeration, and Air-Conditioning Engineers (ASHRAE). How Does a HEPA Filter Work?A HEPA filter is not like any regular air filter you typically put in your home. HEPA filters are pleated mechanical air filters that have a considerable thickness in order to capture the particulates. The pleats create a mat of fibers that are randomly arranged. The random, dense arrangement of fibers in the HEPA filter help to catch a range of particle sizes. As air particles pass through the air filter, they are caught by three mechanisms: diffusion, interception, and impaction. Diffusion occurs in a HEPA filter when the gas molecules that are smaller than 0.1 microns in size collide with each other and are delayed in passing through the filter. The delay will make it more likely for the next two mechanisms to occur for those smaller particles. Interception is when particles moving along the air stick to a fiber. Impaction, the third mechanism, is when the larger air particles embed directly into the fibers themselves. In an attempt to extend the usage life of a HEPA, a pre-filter can be included in the set-up which helps to remove the larger particles, leaving the finer-sized particles to be caught by the HEPA filter. We know this at ISO-Aire, and all of our commercial air purifier units that we offer come with MERV-8 pre-filters to extend the life of the HEPA filter. What Do ISO-Aire HEPA Air Purifiers Offer?Interested in investing in HEPA filtration? At ISO-Aire, we offer portable, low-maintenance HEPA air purifiers that offer medical-grade level of protection. Not only do our air purifiers come equipped with a 99.99% effective HEPA filter that has a lifespan of 5-6 years, they can also be ordered with ozone-free, UL 2998 certified bipolar ionization, and/or UVC sterilization. Interested in seeing which air purifier would be best for your space? Contact our team of experts today, and we will help you select which model and technology combination would be bets for you. Airpura Industries Regular price $999.98 USD Regular price Sale price $999.98 USD Unit price per Sale Sold out
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1-3 DAYS DELIVERY TIME. FOR QUICKER DELIVERY, OUR NEW AND IMPROVED 700 SERIES IS NOW AVAILABLE. CLICK HERE TO SEE THE 700 SERIES. CALL US TO INQUIRE ABOUT VOLUME DISCOUNTS 1-866-505-7872 CALL FOR A FREE EXPERT CONSULTATION WITH AN INDOOR AIR QUALITY SPECIALIST. For any information about an outstanding order or to speak to a representative, you may contact us directly at 1-866-505-7872 See customer reviews PROTECT YOURSELF FROM DISEASE-CAUSING AIRBORNE/AEROSOLIZED VIRUSES, BACTERIA, MOLD AND AIRBORNE CHEMICALS. Viruses, bacteria, mold, chemicals and particles go through 3 levels of filtration for complete removal of airborne microorganisms such influenza and gastro. This UV air purifier destroys the DNA of pathogens, effectively neutralizing them. Airpura's 18 lbs of custom blended activated carbon adsorbs chemicals, VOC's gases, and odors while a medical grade True HEPA filter provides powerful particle reduction of 99.97% of particulate matter as small as 0.3 microns including PM2.5, pollen, dust, dander. Effective for rooms up to 2,000 square feet. Provides a complete air exchange every 30 minutes.  To see a detailed list of mold types that the UV600 captures, go to: https://www.airpura.com/floodcleanup#scrollTop=0 Removes: Bacteria, antigens, pathogens, mold spores, airborne chemicals Ideal for:
➔See the performance studies on our air purifiers regarding virus (including SARS-CoV-2), bacteria and mold control Why this Air Purifier is considered #1:
Technical Specs
DOWNLOAD USER GUIDEDOWNLOAD PERFORMANCE GUIDEIs .3 microns good filter?This type of air filter can theoretically remove at least 99.97% of dust, pollen, mold, bacteria, and any airborne particles with a size of 0.3 microns (µm). The diameter specification of 0.3 microns responds to the worst case; the most penetrating particle size (MPPS).
Why do HEPA filters have a 0.3 micron pore size?The 0.3 micron benchmark is used in efficiency ratings, because it approximates the most difficult particle size for a filter to capture. HEPA filters are even more efficient in removing particles that are smaller than 0.3 microns and larger than 0.3 microns.
What is the efficiency of HEPA filter in laminar airflow cabinet for 0.3 micron air particles?This is final filter. Air filtered through pre filter is forwarded towards HEPA filter. HEPA filter offers 99.99% efficiency for 0.3 micron particulates.
Why 0.3 microns particles are always considered to be used as testing standard?However, most Industry standards require testing at 0.3 micron because it tends to be the Most Penetrating Particle Size (MPPS). In other words, particles between 0.2 and 0.3 are the most difficult size particles to capture and particle larger and smaller in size or more effectively captured.
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Hepa filter 99.99 efficient at 0.3 microns
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