![[Starts Jan 29] Costco Members: 4-Pack 3M 2500 Series Filtrete 1" MERV 14 Filters $ 35 + Free Shipping](https://static.slickdealscdn.com/attachment/1/4/8/5/3/3/0/300x300/16964251.thumb)
Available Filter Sizes: 14x20x1, 14x24x1, 14x25x1, 14x30x1, 16x20x1, 16x25x1, 20x20x1, 20x25x1, 20x30x1
About this Item:[LIST][*]Captures Pollen, Smoke, Bacteria & Viruses[*]Lasts up to 3 Months[*]For Residential Use Only
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Comparable to Filtrete MPR 1900 and Honeywell FPR 9 according to the product page on the manufacturer’s website [nordicpure.com]
Also is recommended by WireCutter [thewirecutter.com].
I did some digging and it looks like these filters have a higher pressure drop than the Filtrete and Honeywell filters they compare to. "Staff Analysis of Air Filter Pressure Drop and Air Filter Sizing (April 2018)" by California Energy Commission [ca.gov] shows these filters at 0.37, where Filtrete was 0.18. That being said, NordicPure is certified at MERV 12, and Filtrete just claims it, so the pressure differential could be telling that same story.
Some sizes are a bit more
Select your size.
http://www.amazon.com/Nordic-Pure…f+6+merv
