Best Furnace Filter Brand? 3M Filtrete vs HoneyWell BestAir, Nordic Pure, Flanders EZ Flow

Feb 2021/13 min/12 products tested

The verdict

He didn't give an outright ranking in this one — the full tested list is below.

Avoid
Filtrete 3M Basic
“Static pressure of 0.87 is very high and would likely cause damage to the blower motor over time.”
Buy ↗
Avoid
Flanders EZ-Flow
“While the Easy Flow filter had a terrific static pressure of 26, it did the worst job at filtering as well.”
Buy ↗
Also noted
HoneyWell BestAir Merv 8 4-Inch Filter
“Wow, 0.23 is the best filter we've tested yet. The 4-in Honeywell takes the lead.”
Buy ↗
Also noted
Filtrete 3M 1900
“What's more impressive though is that the static pressure was only .52.”
Buy ↗
Also noted
Filtrete 3M 1085
“While the 3M 1085 and the Honeywell both tied for first place for removing particles, their static pressure was pretty high.”
Buy ↗
Also noted
Washable Furnace Filter by Aire Care
“The permanent filter didn't do too well with 4100 small and 3200 large particles.”
Buy ↗

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