Filtrete Ultimate Allergen Reduction Filter, 1900 MPR Review

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(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 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 three years ago, I used of variety of filters with mixed results. However, then I started using the 3M Advanced Allergen Filters, the ones in the blue wrapper. These have a 3M Microparticle Performance Rating of 1500, and a MERV rating of 12.
MERV stands for Minimum Efficiency Reporting Value 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 Allergen Filter, Microparticle Performance Rating 1500,
MERV rating of 12
Ultimate Allergen Filter, Microparticle Performance Rating 1900,
MERV rating of 13.
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.
More recently, I have started using the newer Ultimate filter. It works better than the Advanced filter. The additional cost of the filter is worth it if you have allergies or pets. However, if you are happy with a lower-rated and lower-cost filter, then continue using that one.
I suggest that you check Amazon and vendors on the web to get the best price.

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High Performance FilterContains 1 Filter Lasts up to 3 Months 1900 Performance RatingFiltrete® Ultimate Allergen Reduction filters provide an easy way to help reduce airborne allergens in your home. They capture large airborne particles from the air that passes through them, including dust, pollen, and mold spores. They also trap microscopic allergens, such as pet dander, smoke, smog, and particles that can carry bacteria, viruses and odors.The difference is in the Microparticle Performance Rating (MPR) and Air Flow Balance. How We Measure Filtrete Filter Performance: Filtrete air cleaning filters are electrostatically charged to attract and capture particles from the air that passes through the filter. Each Filtrete filter has a Microparticle Performance Rating (MPR). This rating measures a filter's ability to capture particles between 0.3 and 1.0 microns. The higher the MPR, the more efficient the filter is at capturing these tiny particles.How Clean is Your Indoor Air and Water? Many people would be surprised to learn that the U.S. Environmental Protection Agency says that indoor air can be two to five times worse than the air outside. In fact, the EPA identifies indoor air contamination as one of the top five environmental risks to public health.Air and water quality can vary according to a number of factors. For example, today's energy-efficient homes provide better insulation than ever before, but often at the expense of air exchange. As a result, moisture may build up, creating a breeding ground for things like bacteria, fungi, and mold. And even the best municipal water systems can fail to remove chlorine taste and odor, as well as sediment and parasitic cysts in drinking water. Filtrete™ Home Filtration Products empower you to help improve your indoor air and water quality. We are making a difference in maintaining healthier home environments.

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