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popularphoinix | Staff posted Today 11:10 AM
popularphoinix | Staff posted Today 11:10 AM

$21.80: CIS 7-in-1 Air Quality Monitor at Amazon

$22

$45

51% off
Amazon
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Amazon [amazon.com] has CIS 7-in-1 Air Quality Monitor for $21.80.
Shipping is free with Prime or on $35+ orders.

Price
$23.53 lower (52% savings) than the typical price of $45.33
$2.42 lower (10% savings) than the previous price of $24.22

Customer reviews
3.9⭐ / 203
100+ bought in past month

amazon.com/dp/B0CWS5317P [amazon.com]

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Deal Details
Product Info
Community Notes
About the Poster
Amazon [amazon.com] has CIS 7-in-1 Air Quality Monitor for $21.80.
Shipping is free with Prime or on $35+ orders.

Price
$23.53 lower (52% savings) than the typical price of $45.33
$2.42 lower (10% savings) than the previous price of $24.22

Customer reviews
3.9⭐ / 203
100+ bought in past month

amazon.com/dp/B0CWS5317P [amazon.com]

My other deals

Community Voting

Deal Score
+7
Good Deal
Get Deal at Amazon

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Model: CIS 7-in-1 Air Quality Monitor, Indoor Humidity Monitor, Temperature, CO2, TVOC, HCHO, Time, Date Display Desktop Air Quality Tester, Air Quality Meters for Home Office Hotel Restaurant School

Deal History 

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Post Date Sold By Sale Price Activity
11/30/25Amazon$27
3
11/25/25Amazon$30
14

Current Prices

Sort: Lowest to Highest | Last Updated 12/4/2025, 01:22 PM
Sold By Sale Price
Amazon$21.80

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Today 01:13 PM
1,351 Posts
Joined Mar 2023
BigBGToday 01:13 PM
1,351 Posts
lol whatever just buy it, all those words weren't doing anyone any good anyway! In For One. Why Not.
Last edited by BigBG December 4, 2025 at 07:04 AM.
Today 02:05 PM
1,551 Posts
Joined May 2012
CujobobToday 02:05 PM
1,551 Posts
Quote from BigBG :
lol whatever just buy it, all those words weren't doing anyone any good anyway! In For One. Why Not.
This is true. Good, accurate sensors are unfortunately not cheap. Sometimes you can get "close enough" depending on your need, but part of the problem is that the way they're implemented matters so much, too.My go to is Air Gradient which costs a fair bit more.

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