Home > Furnace Filters > Filtrete 20x20x1 AC Furnace Air Filter, MERV 12, MPR 1500, CERTIFIED asthma & allergy friendly, 3 Month Pleated 1-Inch Electrostatic Air Cleaning Filter, Pack of 2 (Actual Size 19.69x19.69x0.78 in) ; Visit the Filtrete Store

Filtrete 20x20x1 AC Furnace Air Filter

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57,407 reviews covering 60 products for the category Furnace Filters

Experiential insights by users

About Filtrete 20x20x1 AC Furnace Air Filter
93% praised for improving indoor air quality
I have used filters with higher and lower filtration values than this one, and 1500 seems to strike the right balance.
I have noticed that the filters last twice as long as the ones we used before and my husband experiences fewer allergy attacks. This is positive feedback regarding the air quality improvement feature of the furnace filters.
79% liked its compatibility with various furnace models
I need to use filters that restrict air flow and are hard on the system, even though the HVAC people do not recommend them, because I have allergies.
The filters last double the amount of time than our previous ones and my husband gets less allergy attacks, indicating their compatibility with our home and how they have helped us.
89% found it easy to install and replace
I finally decided to change the filter and picked these ones.
I did not find any information about the ease of installation of the furnace-filter in the user's review. The review mainly discusses the filter's performance and usage.
76% liked the long-lasting filter, while 24% thought it needed frequent replacements
In a normal environment, the filter lasts for 3-4 months and I change it out no longer than 4 month intervals.
Last year, I had a reusable filter that came with the new unit, but it was not doing the job. I went back to these filters and noticed a significant difference.
I may have to change the filter every 3 months as it is already soiled after 3 months.
89% appreciated its high filtration efficiency
I have switched to a different version of the filter with slightly higher flow (but lower filtration) for summer months. The lower MERV rating of the 1200 version seems to play nicer with my HVAC system and electric bill.
Our filters last twice as long as our previous ones and my husband has fewer allergy attacks.
92% appreciated the quieter operation
Using these filters is a good investment for both health and HVAC system, implying that they are effective in reducing noise.
Last year, I had a reusable filter that came with the new unit, but it was not doing the job. So, I went back to these filters and noticed a significant difference.

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