Home > Furnace Filters > Filtrete 20x25x1 AC Furnace Air Filter, MERV 5, MPR 300, Capture Unwanted Particles, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 6-Pack (Actual Size19.69x24.69x0.81 in) ; Visit the Filtrete Store

Filtrete 20x25x1, AC Furnace Air Filter, MPR 300, Clean Living Basic Dust

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57,407 reviews covering 50+ products for the category Furnace Filters

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About Filtrete 20x25x1, AC Furnace Air Filter, MPR 300, Clean Living Basic Dust
71% praised for improving indoor air quality
The filter effectively traps dust, lint, pollen, and pet dander, improving indoor air quality and reducing allergens circulating throughout the house.
Since switching to this filter, I have noticed a significant improvement in indoor air quality. The airflow has improved, and the dust and debris that were previously an issue have been greatly reduced.
I have not noticed any decrease in air quality after using the filter.
74% liked its compatibility, but 26% had issues with compatibility
The furnace filters use a new filter support design where plastic strips are attached to every pleat every inch or two and will face away from the blower. If installed backwards, the pleats will collapse when the blower comes on and cause airflow problems. Installed correctly, the pleats keep their shape and everything works fine.
The filter looked different than the Amazon photos and had thin plastic over the pleats.
74% found it easy to install and replace, but 26% had difficulties
I gave 2 stars for ease of installation because the fabric was put on backwards, making it difficult to install. The filter arrows were also misaligned.
The filters are easy to install but do not last for the full 3 months as advertised.
71% liked the long-lasting filter, while 29% thought it needed frequent replacements
We suggest replacing the filters every two months to prevent ice buildup and damage to the piping.
I have read that heavy duty filters can shorten the lifespan of my furnace and that most furnaces aren't sealed in such a way that would allow these hyper filtering filters to function properly in the first place.
The filters are easy to install, but they don't last for the 3 months as mentioned on the package.
70% appreciated its high filtration efficiency, while 30% thought it was mediocre
The air filter works perfectly at catching dust, pollen, and other particles, making my home's air feel cleaner.
The filter restricts airflow too much for high efficiency furnaces.
I noticed that the filter material has minimal surface area and is thinner compared to other filters available.
70% appreciated the quieter operation, but 30% didn't notice a difference
When I use these filters, the HVAC system produces less noise compared to the fancy filters.
I have noticed that the filter creates gaps for airflow that dramatically increase the sound of the unit by creating a high pitched screaming whistle. The filter creates gaps for airflow, causing a high pitched screaming whistle.
After three weeks of installation, I noticed some terrible noises coming from the vents.
When I turn on the unit, there is a constant air sucking noise and the filters flop up into the intake.

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