[This review was collected as part of a promotion.] I received the 3M Filter Ultra Allergen Bacteria and Virus 1600 MPR 1601 4 ok 16 in. × 25in × 1in (49.6 cm × 63.5 cm × 2.5 cm ) filter for my furnace and they are wonderful I love that they are Ultra Alergan that so important because my family has allergies for so many things and these are helping so much.

[This review was collected as part of a promotion.] I absolutely love this filter I have noticed such a big difference in my air quality. I love that it filters out allergens and also bacteria. I noticed less allergies since I changed my filter! I definitely recommend this filter!

[This review was collected as part of a promotion.] This is an excellent filter. There are less expensive filters out there but you get what you pay for. I stopped buying cheap filters years ago. They just don't as good of a job. These are high quality and very effective. Filtrete is a name with an excellent reputation and I would trust most any product with their name on it. I would recommend these to anyone looking for a highly effective filter allergens.

[This review was collected as part of a promotion.] I got this because the allergies and the pollen in the air in North Carolina is really really bad at this time. I absolutely love this filter because it does what it says it's going to do which is to 99.9% remove dust and dander and pollen from the air in your home. I highly recommend this and there are numerous sizes to choose from.

[This review was collected as part of a promotion.] I got these filtrete ultra allergen filter and it works great. It seems to keep the air clean so far and they were very easy to use. So far so good. Will definitely recommend to everyone to go out and purchase for themselves

[This review was collected as part of a promotion.] I like that this filter helps asthma & allergy suffers because this is certified for these ailments. I like that this filter should be changed every 3 months. The only thing I think to improve would be to have the filter last for 4 months. This filter easy to install and remove.

[This review was collected as part of a promotion.] Recently changed our home filter to this one and have already noticed a difference in my allergies. Normally it is the worst in the morning and late evenings, but since changing to this filter I have been breathing better through the night.

[This review was collected as part of a promotion.] So far I have only used this for a short period of time but it seems to be working. I have checked to see if there was debris in the filter and there is. As far as air quality, I can’t say I have noticed a difference. Overall the filter seems very well made and durable. Hoping it holds up for the 3 months.

[This review was collected as part of a promotion.] I think these 3M filtrate filters do a good job of filtering out allergens in my home. The filters are extremely well-made and easy to install. The material and shaping of the filters make it look like they would do a great job and filtering out the allergens. I’ve already noticed less dust particles in my home as a result of using these filters. I’ve already noticed less dust particles in my home as a result of using these filters Overall, they appear very well-made and durable, and seem to work well at filtering out particles which can irritate allergies of sensitive people

[This review was collected as part of a promotion.] I can’t say enough good about this filter. Since using it I’ve noticed a difference in my allergies and quality of air. I feel like I can breathe better and don’t wake up congested as I usually do. I know it’s working for my air purifiers that I keep running throughout my house show that my air quality has improved. These are definitely my new go to filter going forward. I definitely recommend!