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Costco Members: Winix Replacement Filter S for C545 Air Purifier EXPIRED

$35
$44.99
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+107 Deal Score
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Costco Wholesale has for it's Members: Winix Replacement Filter S for C545 Air Purifier (1712-0096-00) on sale for $34.99. Shipping is free.

Thanks to community member kolkata700015 for finding this deal.

Note, non-members are subject to a 5% surcharge.

Product Features:
  • For use with Winix C545 Air Purifier (model # 1320253)
  • True-HEPA filtration captures up to 99.97% of particles as small as 0.3 microns.
  • The carbon filter reduces odors and traps large particles.
  • Includes:
    • 1x True HEPA filter
    • 4x carbon filters (1 year supply)
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Edited March 24, 2021 at 07:04 AM by
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$39.90
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$35
$44.99
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80 Comments

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Joined Sep 2012
L8: Grand Teacher
3,688 Posts
#31
I seem to remember people saying the virus is smaller than .3(?) microns or whatever... So this isn't useful for that, right? Thinking about bringing mine into my classroom, but not convinced it'll help much at all
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Joined Feb 2014
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#32
Quote from jazn :
The filter change indicator is not based on how dirty it is, its based on time of filter light reset. Just reset it again.
Can you say how to reset the filter light?
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Joined Feb 2014
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#33
Costco sold these on sale July 2020 for $30 a piece. If you bought the unit on sale with the 2yr filters, you might want to hold off as they could go lower.
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Joined Aug 2015
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#34
This or the alienware
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Joined Dec 2008
L8: Grand Teacher
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#35
Do air purifiers really work effectively? Dehumidifiers work.
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Joined Jul 2018
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#36
Quote from StephenH5221 :
Can you say how to reset the filter light?
There is a tiny pinhole you need to push a needle or something through and hold for 3 seconds. This is how I reset it on my 535.
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Joined May 2006
L10: Grand Master
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#37
Quote from wills916 :
I ordered a couple of the c545's that come with two sets of these for $99. I'm guessing most people are just going to take them back after 2 years at this price for just 1 year of filters lol
I won't take mine back if it's still working.
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Joined May 2006
L10: Grand Master
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#38
Quote from NEW0 :
I seem to remember people saying the virus is smaller than .3(?) microns or whatever... So this isn't useful for that, right? Thinking about bringing mine into my classroom, but not convinced it'll help much at all
COVID attaches to particles that can be filtered with an air purifier. Mayo Clinic says to use HEPA filters.

Air filters that remove small particles, such as high-efficiency particulate air (HEPA) filters, are effective in removing contaminants from the air. The most common household appliances to use HEPA filers are portable air purifiers; vacuum cleaners; and heating, ventilation and air conditioning systems, such as your furnace.

COVID-19 is not expelled on its own. It has to attach to something else to travel, such as mucus, a respiratory droplet or a piece of dust in the environment. A HEPA filter does not kill the COVID-19 virus, but the elements that can transport the virus attach to the filter so they cannot circulate in your living area.


Cleaner air: Another layer of protection from COVID-19 [mayoclinichealthsystem.org]
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Last edited by namlook March 16, 2021 at 10:01 AM.
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Joined Sep 2011
L5: Journeyman
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#39
This is why you buy the C535.
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Joined Oct 2019
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#40
Quote from zheisey :
How often do these go on sale? Just bought 2 of the $99 purifiers with 2 years worth of filters. Should i buy an extra filter for a 3 rd year..or just wait.
Buy few extra each
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#41
Quote from NEW0 :
I seem to remember people saying the virus is smaller than .3(?) microns or whatever... So this isn't useful for that, right? Thinking about bringing mine into my classroom, but not convinced it'll help much at all
It's a probability thing. Even a T-shirt mask lowers the risk a little. This will lower the risk a lot more. In other words, it's still very useful, just not perfect.
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Joined Dec 2017
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#42
I juts got the C545 from the last deal. Should I stack up on these filters?
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#43
Quote from raharu14 :
I juts got the C545 from the last deal. Should I stack up on these filters?
I wouldn't buy filters I'm not going to use for two years when I don't know if I'll still be using the purifier then.
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#44
Quote from thearches :
It's a probability thing. Even a T-shirt mask lowers the risk a little. This will lower the risk a lot more. In other words, it's still very useful, just not perfect.
A mask helps because COVID doesn't circulate on it's own, it needs to attach to larger particles like respiratory droplets. So yes HEPA filters can be effective.
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Joined Dec 2007
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#45
Quote from NEW0 :
I seem to remember people saying the virus is smaller than .3(?) microns or whatever... So this isn't useful for that, right? Thinking about bringing mine into my classroom, but not convinced it'll help much at all
Virus particles do not float around in the air on their own. They are transported via droplets and aerosols, which are large enough to be captured by filters and most decent masks.
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Last edited by pikappstrmchase March 16, 2021 at 10:24 AM.
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