Average Reviews:
(More customer reviews)My house uses forced air for heating. The disadvantage of such a system is that it distributes the dust in the air everywhere in the house. However, it is supposed to be possible to filter out the dust. Over the years, I have steadily increased the quality of the filter that I use for my forced air heating system. However, until now I have not noticed any obvious difference in my allergic reactions that seem to start with the heating season.
There are two cats in my house. I have read that cat dander, tiny flakes of cat skin shed by the cats, is five times smaller than household dust particles. It stays in the air much longer than ordinary dust before it settles. Because of its small size it requires a more efficient filter to get it out of the air.
Until this year, I have used of variety of filters with mixed results. However, this year, I started using the 3M Advanced Allergen Filters, the ones in the blue wrapper. These have a 3M Microparticle Performance Rating of 1500, but do not have a MERV rating listed. MERV stands for Minimum Efficiency Reporting Value and is a number from 1 to 12, produced from a test designed by the American Society of Heating, Refrigerating and Air Conditioning Engineers (ASHRAE). A higher MERV rating indicates better filter performance. 3M uses particle data between 0.3 and 1.0 micron size to calculate a Microparticle Performance Rating or MPR. The higher the MPR, the better the filter. However, higher rated filters cost more.
Here are some of the Filtrete filters offered by 3M:
Dust & Pollen Filter, Microparticle Performance Rating 600,
MERV rating of 8
Micro Allergen Filter, Microparticle Performance Rating 1000,
MERV rating of 11
Ultra Allergen Filter, Microparticle Performance Rating 1250,
MERV rating of 11
Advanced Allegen Filter, Microparticle Performance Rating 1500,
MERV rating not available
The difference made by the Advanced filter was immediately obvious. My running nose stopped running. I assume that the new Advanced filters must be taking out more of the dust in the air including the cat dander. I have not noticed a change in the speed of the circulated air. The additional cost of the Advanced filter is worth it if you have allergies or pets. However, if you are happy with a lower-rated and lower-cost filter, then you can continue using that one. I suggest that you check Amazon and vendors on the web to get the best price.
Click Here to see more reviews about: 3M AA00DC-6 Advanced Allergen Furnace Filter
Product Description:
Filtrete high performance filter effective at attracting and capturing 93% of large airborne allergens like pollen, mold spores, and dust mite debris. Electrostatically charged filters attract and capture microscopic airborne particles like smoke, pet dander, household dust, smog, bacteria, particles that can carry viruses, and particles that can carry tobacco odors. Includes a filter change reminder sticker. Lasts up to 3 months. MPR rating of 1500. Dark blue label. No. AA20DC 6: 12" x 24" x 1" No. AA05DC 6: 14" x 20" x 1" No. AA04DC 6: 14" x 25" x 1" No. AA00DC 6: 16" x 20" x 1" No. AA01DC 6: 16" x 25" x 1" No. AA02DC 6: 20" x 20" x 1" No. AA03DC 6: 20" x 25" x 1"
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