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expired Posted by funrettig • Oct 10, 2023
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expired Posted by funrettig • Oct 10, 2023

Coway Airmega 400 True HEPA Air Purifier with Smart Technology, Covers 1,560 sq. ft, White $342.99

$343

$507

32% off
Amazon
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Amazon prime day deal, better than last FP deal for Coway 400. I have the Coway 400S and I never use the app.

https://www.amazon.com/dp/B01C9RIACG

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About the Poster
Amazon prime day deal, better than last FP deal for Coway 400. I have the Coway 400S and I never use the app.

https://www.amazon.com/dp/B01C9RIACG

Exclusive Prime price

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Model: Coway Airmega 400 True HEPA Air Purifier with 1560 sq. ft. Coverage

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Sort: Lowest to Highest | Last Updated 6/14/2025, 10:18 AM
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13 Comments

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Oct 11, 2023
2 Posts
Joined Nov 2011
Oct 11, 2023
farukc
Oct 11, 2023
2 Posts
I couldn't see it under CA carb-certified-air-cleaning-devices.
Does any one know if it is ionizing or just hepa filter?
Oct 11, 2023
675 Posts
Joined Oct 2006
Oct 11, 2023
chris041378
Oct 11, 2023
675 Posts
Quote from farukc :
I couldn't see it under CA carb-certified-air-cleaning-devices.
Does any one know if it is ionizing or just hepa filter?
just hepa
Oct 11, 2023
127 Posts
Joined Nov 2012
Oct 11, 2023
mkellar
Oct 11, 2023
127 Posts
The 300 is also down to $289. https://www.amazon.com/gp/aw/d/B0...UTF8&psc=1
Oct 11, 2023
199 Posts
Joined Mar 2006
Oct 11, 2023
Jmoney710
Oct 11, 2023
199 Posts
That's a great price $289, Coway makes some of the best air purifiers out.
Oct 11, 2023
30 Posts
Joined Nov 2017
Oct 11, 2023
Hangtran21
Oct 11, 2023
30 Posts
bought it last year at $269
1
Oct 11, 2023
626 Posts
Joined Sep 2009
Oct 11, 2023
trandav
Oct 11, 2023
626 Posts
Can you set a schedule for it to turn on and off at a specific time or does require the 400s?
Oct 11, 2023
29 Posts
Joined Nov 2021
Oct 11, 2023
OliveHome221
Oct 11, 2023
29 Posts
I swear by this air purifier. I have 2 and the price for this is tempting me to buy a 3rd.

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Oct 11, 2023
199 Posts
Joined Mar 2006

This comment has been rated as unhelpful by Slickdeals users.

Pro
Oct 11, 2023
2,859 Posts
Joined Mar 2007
Oct 11, 2023
hkteaman
Pro
Oct 11, 2023
2,859 Posts
Quote from trandav :
Can you set a schedule for it to turn on and off at a specific time or does require the 400s?
You will need the 400S model to schedule in the app. I have the 300 and 300S and I can connect with the app to schedul withe the 400S model. I agree with the poster that said never touched the app as I run both 24/7.
Oct 11, 2023
626 Posts
Joined Sep 2009
Oct 11, 2023
trandav
Oct 11, 2023
626 Posts
Quote from hkteaman :
You will need the 400S model to schedule in the app. I have the 300 and 300S and I can connect with the app to schedul withe the 400S model. I agree with the poster that said never touched the app as I run both 24/7.
Thanks!
Oct 12, 2023
63 Posts
Joined Jul 2018
Oct 12, 2023
SkippyBojangle
Oct 12, 2023
63 Posts
Quote from Jmoney710 :
Not good to over purifier your air, lowers oxygen in the air! Placing them in strategic areas is key.
I feel like you probably don't understand a lot of life, science, the universe and reality.

This was the dumbest thing I've read in a while.
Oct 12, 2023
29 Posts
Joined Nov 2021
Oct 12, 2023
OliveHome221
Oct 12, 2023
29 Posts
Quote from Jmoney710 :
Not good to over purifier your air, lowers oxygen in the air! Placing them in strategic areas is key.
This is the dumbest thing I've heard today. Congrats. HEPA filters don't magically remove oxygen. They remove PM particles
Oct 12, 2023
63 Posts
Joined Jul 2018
Oct 12, 2023
SkippyBojangle
Oct 12, 2023
63 Posts
Quote from OliveHome221 :
This is the dumbest thing I've heard today. Congrats. HEPA filters don't magically remove oxygen. They remove PM particles
It's wilder than that. Then he says place in strategic areas....like you can have different concentrations of oxygen within your household

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