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Co2 meter

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Home / Test Meters & Detectors / Co2 meter for sale – 96 used, around $35 | For Sale USA
Co2 meter air quality - meter, monitor

Co2 meter air quality - meter, monitor

$12.66
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Extech co250 co2 monitor brand - co250,

Extech co250 co2 monitor brand - co250,

$299.00
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Co2 meter data logger - co2,

Co2 meter data logger - co2,

$139.80
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Vetouch plug co2 - plug,

Vetouch plug co2 - plug,

$61.60
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New co2 meter air quality - new,

New co2 meter air quality - new,

$12.81
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Air quality monitor pm - air,

Air quality monitor pm - air,

$16.29
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Co2 meter air quality - co2,

Co2 meter air quality - co2,

$12.81
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Co2 meter air quality monitor - meter,

Co2 meter air quality monitor - meter,

$18.39
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Air quality monitor - quality, co2

Air quality monitor - quality, co2

$16.99
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Co2 detector air quality - detector,

Co2 detector air quality - detector,

$19.08
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Smart air quality monitor - smart,

Smart air quality monitor - smart,

$90.20
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Co2 detector monitor - co2,

Co2 detector monitor - co2,

$18.99
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Extech co250 portable indoor - extech,

Extech co250 portable indoor - extech,

$120.00
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Co2meter com psense 0001 - co2meter.com,

Co2meter com psense 0001 - co2meter.com,

$199.99
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Birdie design indoor co2 - design,

Birdie design indoor co2 - design,

$292.82
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Inkbird co2 monitor air - inkbird,

Inkbird co2 monitor air - inkbird,

$71.99
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Co2 meter air quality monitor - co2,

Co2 meter air quality monitor - co2,

$13.21
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Gas co2 detector air monitor - air,

Gas co2 detector air monitor - air,

$35.99
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Air quality monitor pm - air,

Air quality monitor pm - air,

$16.99
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Desktop tim co2 meter - desktop,

Desktop tim co2 meter - desktop,

$49.99
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Amprobe co2 100 - amprobe,

Amprobe co2 100 - amprobe,

$110.00
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Lwyinp indoor air - indoor,

Lwyinp indoor air - indoor,

$19.00
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Air quality monitor - air, pm

Air quality monitor - air, pm

$17.99
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Portable co2 detector - detector, mini

Portable co2 detector - detector, mini

$29.99
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6in1 air quality monitor pm10 - quality,

6in1 air quality monitor pm10 - quality,

$18.99
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Co2 detector monitor - co2,

Co2 detector monitor - co2,

$20.10
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Carbon dioxide desktop iaq - carbon,

Carbon dioxide desktop iaq - carbon,

$50.00
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Gas co2 detector - detector, air

Gas co2 detector - detector, air

$49.99
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Indoor air quality monitor - indoor, for

Indoor air quality monitor - indoor, for

$59.34
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Inkbirdplus indoor co2 - indoor,

Inkbirdplus indoor co2 - indoor,

$51.99
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Goveelife smart co2 monitor - goveelife,

Goveelife smart co2 monitor - goveelife,

$65.00
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Co2 detector monitor - detector,

Co2 detector monitor - detector,

$18.99
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Air quality monitor - air,

Air quality monitor - air,

$18.99
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Co2 monitor 1 - monitor, 3-in-1

Co2 monitor 1 - monitor, 3-in-1

$36.99
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Air quality monitor pm - monitor,

Air quality monitor pm - monitor,

$19.04
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Co2 meter san personal - meter, 5%

Co2 meter san personal - meter, 5%

$205.39
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6in1 air quality monitor - quality, co

6in1 air quality monitor - quality, co

$16.19
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Wifi indoor air quality - wifi,

Wifi indoor air quality - wifi,

$38.99
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Co2 air quality monitor - co2,

Co2 air quality monitor - co2,

$58.97
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Inkbird smart 1 co2 - smart, 3-in-1

Inkbird smart 1 co2 - smart, 3-in-1

$34.95
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Switchbot co2 detector - co2, air

Switchbot co2 detector - co2, air

$39.99
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Co2 monitor lot meter - co2,

Co2 monitor lot meter - co2,

$129.99
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Air quality monitor - 9-in-1,

Air quality monitor - 9-in-1,

$40.91
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Smart air quality monitor - air,

Smart air quality monitor - air,

$149.98
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Air quality meter - air,

Air quality meter - air,

$29.76
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Inkbird detector indoor - 5-in-1,

Inkbird detector indoor - 5-in-1,

$47.48
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Air monitor smart - air,

Air monitor smart - air,

$39.99
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Air quality monitor - air,

Air quality monitor - air,

$22.90
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Temtop co2 monitor indoor air - monitor,

Temtop co2 monitor indoor air - monitor,

$40.47
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Air quality monitor - air,

Air quality monitor - air,

$24.99
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Alnor cf910 compuflow co2 - alnor,

Alnor cf910 compuflow co2 - alnor,

$120.00
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Switchbot meter pro co2 - switchbot,

Switchbot meter pro co2 - switchbot,

$35.00
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Co2 meter data logger ndir - co2,

Co2 meter data logger ndir - co2,

$85.49
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400 5000 ppm - co2, air

400 5000 ppm - co2, air

$14.93
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Co2 meter air quality monitor - co2,

Co2 meter air quality monitor - co2,

$19.93
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Smart co2 monitor with wifi - with,

Smart co2 monitor with wifi - with,

$55.99
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Alnor compuflow 8610 - alnor, meter

Alnor compuflow 8610 - alnor, meter

$48.00
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Gaqqee mt12 air quality - mt12,

Gaqqee mt12 air quality - mt12,

$23.99
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Portable co2 carbon dioxide - portable,

Portable co2 carbon dioxide - portable,

$38.00
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Co2 monitor indoor air quality - co2,

Co2 monitor indoor air quality - co2,

$75.98
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Co2 meter air quality - 5-in-1,

Co2 meter air quality - 5-in-1,

$16.16
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Dm1308 mini carbon dioxide - dm1308,

Dm1308 mini carbon dioxide - dm1308,

$22.49
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Co2 detector semiconductor air - detector,

Co2 detector semiconductor air - detector,

$18.83
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Smart indoor air quality - smart,

Smart indoor air quality - smart,

$34.88
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7755 carbon dioxide - az,

7755 carbon dioxide - az,

$74.99
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Co2 monitor alarm - monitor,

Co2 monitor alarm - monitor,

$539.99
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10in1 18in1 air quality - 10in1,

10in1 18in1 air quality - 10in1,

$31.47
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Mch3 indoor smart co2 - indoor,

Mch3 indoor smart co2 - indoor,

$15.39
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Gas co2 detector air - gas,

Gas co2 detector air - gas,

$35.00
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Airco co2 meter also called - co2,

Airco co2 meter also called - co2,

$40.00
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Co2 meter air - co2, quality

Co2 meter air - co2, quality

$21.95
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Air quality monitor - 8-in-1,

Air quality monitor - 8-in-1,

$69.99
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Lcd air quality monitor - air, meter

Lcd air quality monitor - air, meter

$19.90
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Vivosun co2 regulator - co2,

Vivosun co2 regulator - co2,

$35.14
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9in1 air quality monitor - 9in1,

9in1 air quality monitor - 9in1,

$23.95
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Co2 meter air quality monitor - meter,

Co2 meter air quality monitor - meter,

$21.99
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Lifebasis handheld air quality - lifebasis,

Lifebasis handheld air quality - lifebasis,

$19.99
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Co2 monitor indoor - monitor, quality

Co2 monitor indoor - monitor, quality

$48.21
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Instrument 7722 co2 - instrument,

Instrument 7722 co2 - instrument,

$65.50
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Co2 meter with alarm - alarm, portable

Co2 meter with alarm - alarm, portable

$22.58
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Air lab ma4 networked - lab,

Air lab ma4 networked - lab,

$219.99
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Co2 detector carbon dioxide - co2,

Co2 detector carbon dioxide - co2,

$17.85
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Air quality monitor - in,

Air quality monitor - in,

$31.15
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Co2 monitor 1 - co2, 3-in-1

Co2 monitor 1 - co2, 3-in-1

$20.36
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Air quality monitor - air, 9-in-1

Air quality monitor - air, 9-in-1

$40.91
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In1 portable co2 meter - in1,

In1 portable co2 meter - in1,

$13.80
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Co2 air detector semiconductor - co2,

Co2 air detector semiconductor - co2,

$13.30
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Lcd air quality monitor - monitor, meter

Lcd air quality monitor - monitor, meter

$19.90
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Co2 controller briidea - controller,,

Co2 controller briidea - controller,,

$59.95
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Air quality monitor - 16-in-1,

Air quality monitor - 16-in-1,

$29.95
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Inkbirdplus indoor air - 6-in-1,

Inkbirdplus indoor air - 6-in-1,

$20.00
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Indoor digital hcho co2 - hcho, meter

Indoor digital hcho co2 - hcho, meter

$27.50
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Qingping cgs1 indoor air - qingping,

Qingping cgs1 indoor air - qingping,

$50.00
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Instrument 7755 carbon - az,

Instrument 7755 carbon - az,

$48.09
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Lifebasis air quality monitor - lifebasis,

Lifebasis air quality monitor - lifebasis,

$49.00
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Co2 monitor indoor air quality - co2,

Co2 monitor indoor air quality - co2,

$79.99
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📊96 listings · from $12.66 · avg $56.92

Browse 96 co2 meter listings currently in our index. Prices range from $12.66 to $539.99, with an average of $56.92. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about co2 meter →

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Everything you need to know about co2 meter

Whether you are looking for a brand-new or second-hand co2 meter, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at $12.66, while premium listings can reach $539.99 — giving you a wide budget spread to work with. The average price of $56.92 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.

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