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expiredBRPXR600R posted May 08, 2024 10:13 PM
Item 1 of 5
Item 1 of 5
expiredBRPXR600R posted May 08, 2024 10:13 PM
Costco In-Warehouse Offer: 4-Pack 3M 2500 Series Filtrete 1" MERV 14 Filters
(Valid thru 6/9)$35
$60
41% offCostco Wholesale
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Here's the chart: https://youtu.be/RkjRKIRva58?t=6
0.52 was one of the best static pressures of the group.
He goes on to say "Even though the 3M 1900 which is a MERV 13 filter does have a very tightly woven filter media, it overcomes the static pressure challenge by having 54 pleats and 1560 square inches which is more than twice as much as any of the other one inch filters."
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Here's the chart: https://youtu.be/RkjRKIRva58?t=6
0.52 was one of the best static pressures of the group.
He goes on to say "Even though the 3M 1900 which is a MERV 13 filter does have a very tightly woven filter media, it overcomes the static pressure challenge by having 54 pleats and 1560 square inches which is more than twice as much as any of the other one inch filters."
However, the way 3M puts it, they imply that high MERV will always not affect air flow. That changes wildly from filter to filter, even among the same brand.
The Honeywell 4" filter performed extremely well with low static pressure. So if you can fit a thicker filter, that might be a better choice.
Ironically, if a filter doesn't let any air through, it technically meets the highest MERV rating. 😂🤣
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