Customer Reviews
Ultra Allergen 
2008-10-03
I have been using 3M's Filtrete Ultra Allergen 1250 filters for years with great results. A good deal through Amazon.com, especially with prime shipping.
the description is a lie. this is for ONE filter not SIX 
2008-07-23
Day 1
I just received my single filter on this order. Thanks for the 16.95 shipping charge. The filter is totally mangled. I will be posting bad ratings daily until I get a full refund. Right now I am cautiously optimistic of BuilderDepot's customer service efforts. We will see what the next day holds for them. I wish I could attach a picture so you all could see how pathetic the packaging is. It seems plain to me that the spent about 2.00 on shipping this product. Totally unsatisfactory.
Oh and the description is a LIE. The price is for one filter not six.
Day 2
From BuilderDepot "I am requesting a shipper claim and when it is settled will refund."
So now I have to wait for the clam????
Way better than my old filter 2008-07-18
OK, you have to make a choice: Electrostatic or (like these) non-electrostatic filters. 3M makes both types of air filters. One electrostatic filters cost about the same as this 6-pack but it doesn't need to be replaced every 3 months. On the other hand, these filters are more effective. I made my choice and am happy with it. Compared to my previous filter, these are 10 times as good. With new filters, I didn't notice much loss in air flow but only time will tell what happens towards the end of their life.
Great Filter ! 2008-04-28
For families with alergies, this is a must for your home. Helped my children and I deal with pollen season. This is a great filter!
Great value 2008-04-21
Filters arrived when promised with minimal shipping charge. Even delivered they were cheaper than buying at my local Home Depot. Will use again!
3M Filtrete Ultra Allergen Filter 6 Pack 2008-03-30
If you're looking for the cleanest air possible, the Filtrete Ultra Allergen filter is the best 1-inch disposable filter on the market. It removes allergens like Pollen, Mold Spores, Dust Mite Debris, Household Dust, Lint, Smoke, Pet Dander, Smog, Bacteria, and Virus carrying particles. Like all 3M Filtrete filters, the Ultra Allergen filter lasts for 3 months, and is electrostatically charged, which helps it to attract even the smallest particles without restricting the airflow in your system.
Filter 2008-02-29
The filter has cleaned up the air in our house since it has been added to our furnace.
Try the Advanced Allergen filter if you have allergies or pets 
2008-02-12
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.
Clean air, high air flow resistance 2008-01-22
Hello,
Our family bought this filter to address some allegry problems in our children. We noticed immediate benefits in term of cleaner air, fewer particles, and less dust. It was a pleasant surprise.
The downside of the filter is that in less than a month of average use (we live in the moderate climate of NW Oregon) the furnace failed to start due to restricted airflow. Replacing the filter with an standard fiberglass model resolved the problem.
The furnace / house are new, ~10 years old, and the filters have been replaced 4 times/year.
Despite the clean air benefits, I'll stop using these filters, as I fear the extra air resistance will burn out the furnace fan motor or cause other furnace problems.
Very effective, very sturdy allergen filter. 2007-12-28
The Ultra Allergen filters work great. My wife and I both have asthma and allergies, and we have a cat. These filters keep us from sneezing during the pollen and leaf mold seasons. The frame is made from very stiff cardstock, and the media is enclosed in a wire mesh. I've been using them for about 8 years, after a cheap fiberglass filter and a "premium" Lysol Elite filter got sucked into the furnace.
