[This review was collected as part of a promotion.] These 3m filters are my go to for furnace filters. They are just the right materials for my furnace to work great. My family all suffers from allergies and I really think these have helped with purifying the air. I also love that they help rod the air of bacteria and viruses. Would definitely recommend for your furnace.

[This review was collected as part of a promotion.] I really like the Filtrete™ Ultra Allergen Bacteria and Virus air filter. It makes me happy knowing that I am providing my family an additional layer of protection from Allergens, illness, and all-around yucky air. It was easy to install and the material is very thick and durable.

[This review was collected as part of a promotion.] 3M Filtrete Ultra Allergen Bacteria and Virus air filter makes the air in the house feel and smell cleaner. I feel comforted that the filter removes bacteria and viruses. Built well and easy to install.

[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.] The Filtrete™ Ultra Allergen 2X Bacteria and Virus Filter (1600 MPR), 16 in x 25 in x 1 in are great! These high-performance filters helped to improve my home’s air quality. They are durable and definitely help with allergens!

Love the quality of this air filter ! Its very sturdy on both sides.

Wrong size

So far so good

Good