Nordic Pure 20x25x4 MERV 12 Pleated AC Furnace Air Filters
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57,407 reviews
covering
50+ products
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Furnace Filters
Experiential insights by users
About Nordic Pure 20x25x4 MERV 12 Pleated AC Furnace Air Filters
Overall Feedback:
89% positive
86% liked its compatibility, but 14% had issues with compatibility
Some people may need filters in this strange off-size, but Honeywell and 3M sell filters whose size matches the product name.
I gave a 1-star rating because the headline was misleading about fitting the 20x25x4 furnace slot.
The Nordic Pure 20x25x4 filter is not compatible with the Honeywell 20x25x4 filter and cannot be used as a replacement.
Using a filter that is slightly smaller than required can lead to an inefficient system as air pressure may bypass gaps in size/spacing. The fit should be snug.
92% found it easy to install and replace
The filter fits and works well, and it's much better than the original equipment one that came with the system.
95% liked the long-lasting filter
A package of several units of this filter will last for a couple of filter seasons.
In parts of the house where we don't run the HVAC as often, the filters last much longer.
97% appreciated the quieter operation
After 24 hours of installation, I could smell the difference in my home.
