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6-Pack AC / Furnace Air Filters MERV 8 (Various Sizes) Expired

from $25.45
$34.00
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Amazon has select 6-Pack AC / Furnace Air Filters MERV 8 for the prices listed. Shipping is free w/ Prime or onorders $25+.

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Available:Features:
  • Electrostatically Charged Synthetic Pleated Media
  • Recommended to change your filters every 90 days to maintain optimal filtration
  • Made in the U.S.A
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Edited September 10, 2021 at 01:57 PM by
Amazon [amazon.com] has 6-Pack Crisp Filters, 20x20x1 Air Filter MERV 8 for $25.44. Shipping is free.

Other sizes also on sale.
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20x20x1 is the perfect size to strap to the back of a box fan for a DIY air filter. Extremely effective.
·
That point is definitely brought up in every filter thread, but I wouldn't use the word supposedly. The higher MERV filters ARE more restrictive, which is the point. They filter more/smaller particles out. If your system can handle it and you want the higher filtration then go for it, otherwise don't.
·
You get much worse heating efficiency with a restrictive filter, and it' doesn't clean the air NEARLY as well as a dedicated hepa unit in the room where you are.

You can get the best of both worlds by doing it separately. Lower utility bill + better filtration.
·

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> bubble2 10 Posts
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AquaWallaby782
09-12-2021 at 09:56 AM.
09-12-2021 at 09:56 AM.
D rating on Fakespot. Pass
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> bubble2 496 Posts
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helpU2spend
09-12-2021 at 11:08 AM.
09-12-2021 at 11:08 AM.
Not all filters are created equal. The rating has nothing to do with the air pressure drop ( i could be wrong). A the cheap merv 8 filter could have the higher air pressure drop than an more expensive one with higher merv rating.
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easymonies
09-12-2021 at 11:36 PM.
09-12-2021 at 11:36 PM.
Quote from phermium :
That point is definitely brought up in every filter thread, but I wouldn't use the word supposedly. The higher MERV filters ARE more restrictive, which is the point. They filter more/smaller particles out. If your system can handle it and you want the higher filtration then go for it, otherwise don't.
i can show you higher merv filters in the same manufacturer series with lesser static pressure than the one with lower merv. How is that even possible? Simple:although the higher merv filters are more restrictive "per square inch" of filter material,they can compensate this deficiency by increasing the total surface area of the filter (this will further increase price though). A 20x20 high merv filter can have more overall surface area of the filtering media compared to a 20x20 lower merv filter by increasing the pleating density.
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Last edited by easymonies September 12, 2021 at 11:40 PM.
Joined Dec 2008
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> bubble2 38 Posts
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InForOne
09-13-2021 at 10:07 AM.
09-13-2021 at 10:07 AM.
Quote from p0brecit0 :
you'd likely be better off with something with 1500+ MPR
I got MERV 13 filters for fire season which never came. That's all I'd have those around for because they cut down the airflow from a box fan to almost nothing. I switched to MERV 8 about a month ago and the difference is massive. Much better for typical use. Also, even at the lowest speed, the suction effect from my box fan holds the MERV 8 filter to the back of it the the MERV 13 filter needed to be taped.

MERV 8 is good enough to cut out most dust in your house.
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Joined Dec 2007
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> bubble2 253 Posts
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alambrose
09-13-2021 at 03:38 PM.
09-13-2021 at 03:38 PM.
250 nits? PASS!
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> bubble2 108 Posts
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BigKahunaFSU
09-13-2021 at 07:22 PM.
09-13-2021 at 07:22 PM.
I never find 18 x 18 on sale
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ThriftyJuice233
09-16-2021 at 02:27 AM.
09-16-2021 at 02:27 AM.
How often are you swapping your filters?
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Schooby | Staff
09-16-2021 at 12:17 PM.
09-16-2021 at 12:17 PM.
thanks... needed to replenish my supply.
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Sduser2019123
09-16-2021 at 12:41 PM.
09-16-2021 at 12:41 PM.
Can I use 2 filters of 16x25x1 adjacent for a 32x25x1 slot?
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> bubble2 4,712 Posts
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warezdog
09-17-2021 at 08:30 AM.
09-17-2021 at 08:30 AM.
HD has better merv for less money in the 25*16*1
https://www.homedepot.com/p/16-x-...61#overlay
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seantan2001
09-17-2021 at 08:50 AM.
09-17-2021 at 08:50 AM.
Quote from warezdog :
HD has better merv for less money in the 25*16*1
https://www.homedepot.com/p/16-x-...61#overlay [homedepot.com]
That's ONE 16x25x4 filter.
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warezdog
09-17-2021 at 08:55 AM.
09-17-2021 at 08:55 AM.
Quote from seantan2001 :
That's ONE 16x25x4 filter.
My bad, thanks for the correction.

These are a 12 pack for $6 more than this 6 pack

https://www.homedepot.com/p/Rheem.../203225758
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votriminh
09-17-2021 at 11:51 AM.
09-17-2021 at 11:51 AM.
Quote from kwguinness :
Your HVAC repair guy must love you if you're using MERV12.
Good grief, let's not start this again. it has been established that MERV 12 doesn't work your HVAC unit any harder.
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Schooby | Staff
09-17-2021 at 12:10 PM.
09-17-2021 at 12:10 PM.
Quote from votriminh :
Good grief, let's not start this again. it has been established that MERV 12 doesn't work your HVAC unit any harder.
I do recall our resident applicant repair guy (Biker Eric... RIP Sadwalk) telling us years ago that it was best to use the tighter weave/higher rated filters for newer furnaces but as the unit got older to use a looser weave as it puts less strain. No idea if that line of thought has changed over the years or not.
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harsh28
09-17-2021 at 02:32 PM.
09-17-2021 at 02:32 PM.
Quote from Schooby :
I do recall our resident applicant repair guy (Biker Eric... RIP Sadwalk) telling us years ago that it was best to use the tighter weave/higher rated filters for newer furnaces but as the unit got older to use a looser weave as it puts less strain. No idea if that line of thought has changed over the years or not.

I mean the blower motor strength wouldn't weaken that much as it gets older for it to need loose weave/knit. It'd tax the furnace blower motor just the same either time
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