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expiredEragorn | Staff posted Jan 19, 2025 07:46 PM
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expiredEragorn | Staff posted Jan 19, 2025 07:46 PM

[Starts Jan 29] Costco Members: 4-Pack 3M 2500 Series Filtrete 1" MERV 14 Filters $35 + Free Shipping

$35

$50

30% off
Costco Wholesale
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Starting January 29th, Costco Wholesale [costco.com] will have for their Members: 4-Pack 3M 2500 Series Filtrete 1" MERV 14 Filters (various sizes) on sale for $34.99. Shipping is free*

Available Filter Sizes: 14x20x1, 14x24x1, 14x25x1, 14x30x1, 16x20x1, 16x25x1, 20x20x1, 20x25x1, 20x30x1

About this Item:
  • Captures Pollen, Smoke, Bacteria & Viruses
  • Lasts up to 3 Months
  • For Residential Use Only
  • MPR 2500 has a rating of MERV 14
*Right now the items say shipping is included in the $49.99 price, but I'm not sure if they'll still be free shipping when the price is lowered to $34.99.This matches last May's +34 Frontpage price.
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Deal Details
Community Notes
About the Poster
Starting January 29th, Costco Wholesale [costco.com] will have for their Members: 4-Pack 3M 2500 Series Filtrete 1" MERV 14 Filters (various sizes) on sale for $34.99. Shipping is free*

Available Filter Sizes: 14x20x1, 14x24x1, 14x25x1, 14x30x1, 16x20x1, 16x25x1, 20x20x1, 20x25x1, 20x30x1

About this Item:
  • Captures Pollen, Smoke, Bacteria & Viruses
  • Lasts up to 3 Months
  • For Residential Use Only
  • MPR 2500 has a rating of MERV 14
*Right now the items say shipping is included in the $49.99 price, but I'm not sure if they'll still be free shipping when the price is lowered to $34.99.This matches last May's +34 Frontpage price.

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39 Comments

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Jan 22, 2025 02:52 PM
1,177 Posts
Joined Feb 2007
muffin30082Jan 22, 2025 02:52 PM
1,177 Posts
Good quality filter, especially for those with allergies.
I have 2 odd ball sizes ( 20x25x4 and 20x23x1) , wish they carried them.
The 20x23x1 is especially hard to find.
Jan 22, 2025 02:55 PM
1,177 Posts
Joined Feb 2007
muffin30082Jan 22, 2025 02:55 PM
1,177 Posts
Quote from Sulla52 :
Just had my furnace in my 3 year old house break and need a replacement high-heat limit sensor. HVAC guy said it had to have happened because of some type of significant airflow restriction. We keep the registers fully open at all times throughout the house. However, we did start using these filters last year to try to help our kid's allergies. Changed them regularly to avoid this exact problem. However, our heater still almost got burnt up from restricted airflow. Thankfully these things have sensors that shut the unit down to keep the house from burning down. We've also been in the middle of single digit temps while this failure occurred so the heater was having to run regularly. Just my anecdotal experience/2c. Unfortunately, we'll have to go back to a standard filter rating.
Big downside of a good merv rating. I change them every month. Sometimes they look pretty clean, but I stil change them. My 4" ones I change every 6 months.
Jan 22, 2025 06:04 PM
131 Posts
Joined Jul 2017
RoninChaosJan 22, 2025 06:04 PM
131 Posts
So what number should we be looking for? I have some of these but haven't used them yet.
Jan 23, 2025 05:20 AM
3,034 Posts
Joined May 2006
abstractjJan 23, 2025 05:20 AM
3,034 Posts
Quote from Brett19648 :
Be aware these are quite restrictive for air flow and can put extra stress on many hvac systems. The filtrete 1900 ones are supposed to be better. Filtration not quite as good, but they don't restrict the air flow the way the 2500 filters do.
Yep. Got a merv 13 filter thinking the higher the merv the better, but it's a fallacy. The filter killed my heater motor. Cost me $1,200 to have a new blower motor put in.
Jan 24, 2025 12:31 AM
350 Posts
Joined Jan 2019
slammin_sammyJan 24, 2025 12:31 AM
350 Posts
These high MERV ratings are getting ridiculous. The filter is so that the ac unit does not get dirty.

Clean air is important but so is airflow. Once you go too high you can make the unit work harder than it has to.

More important is actually changing the filters. I can't tell you how many units I have seen fail because people don't change their filters or clean their coils. Do those two and a properly install unit will easily last you 10+ years.
Jan 25, 2025 03:55 AM
1,186 Posts
Joined Nov 2009
ferganerJan 25, 2025 03:55 AM
1,186 Posts
Quote from slammin_sammy :
These high MERV ratings are getting ridiculous. The filter is so that the ac unit does not get dirty.

Clean air is important but so is airflow. Once you go too high you can make the unit work harder than it has to.

More important is actually changing the filters. I can't tell you how many units I have seen fail because people don't change their filters or clean their coils. Do those two and a properly install unit will easily last you 10+ years.
Right. It's not your HVAC unit's job to purify air. It's not designed for that purpose. The filter is so that there is no heavy particle/dust build up within the HVAC system. If you want your air clean, just invest in air purifiers.
Jan 25, 2025 07:40 PM
2,253 Posts
Joined Dec 2012
fiveohfourJan 25, 2025 07:40 PM
2,253 Posts
Are all filters on sale or just these super powerful ones

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Jan 29, 2025 04:13 PM
217 Posts
Joined Dec 2005
glenviewjeffJan 29, 2025 04:13 PM
217 Posts
These are all coming up $39.99 shipped rather than $34.99. Do you have a source for the OP price?
Jan 29, 2025 06:52 PM
1,555 Posts
Joined Aug 2011
drawzJan 29, 2025 06:52 PM
1,555 Posts
Quote from glenviewjeff :
These are all coming up $39.99 shipped rather than $34.99. Do you have a source for the OP price?
It was in my email today for $35, but agree the app shows $40. Email says in warehouse and online.

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