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Co2 meter air quality monitor - meter,

Co2 meter air quality monitor - meter,

$13.01
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Co2 meter data logger - co2,

Co2 meter data logger - co2,

$139.80
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Co2meter com psense 0001 - co2meter.com,

Co2meter com psense 0001 - co2meter.com,

$199.99
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Portable co2 detector - portable,

Portable co2 detector - portable,

$28.79
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New co2 meter air - new,

New co2 meter air - new,

$13.16
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Extech co250 portable indoor - co250,

Extech co250 portable indoor - co250,

$125.00
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Extract air quality meter co2 - air,

Extract air quality meter co2 - air,

$400.00
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Birdie design indoor co2 - birdie, 2.0

Birdie design indoor co2 - birdie, 2.0

$75.00
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Co2 meter air quality - co2,

Co2 meter air quality - co2,

$14.00
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Co2 meter mini 1 - meter,

Co2 meter mini 1 - meter,

$39.99
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Co2 detector monitor - co2,

Co2 detector monitor - co2,

$20.10
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Co2 meter air - co2,

Co2 meter air - co2,

$18.39
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Goveelife smart air quality - air,

Goveelife smart air quality - air,

$33.99
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Birdie design indoor co2 - birdie, 2.0

Birdie design indoor co2 - birdie, 2.0

$64.98
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Inkbird wifi air quality - inkbird,

Inkbird wifi air quality - inkbird,

$45.00
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Gas flow meter - flow, co2

Gas flow meter - flow, co2

$174.44
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Co2 monitor 1 - co2,

Co2 monitor 1 - co2,

$21.08
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Air quality monitor - quality,

Air quality monitor - quality,

$36.57
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Birdie design indoor co2 - birdie,

Birdie design indoor co2 - birdie,

$90.00
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Extech co250 portable indoor - extech,

Extech co250 portable indoor - extech,

$164.00
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Portable co2 detector - portable, mini

Portable co2 detector - portable, mini

$27.95
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Co2 detector 1 air - detector,

Co2 detector 1 air - detector,

$17.21
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Gas co2 detector air - gas, monitor

Gas co2 detector air - gas, monitor

$39.99
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Gas co2 detector air - gas,

Gas co2 detector air - gas,

$50.39
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Co2 monitor lot - co2,

Co2 monitor lot - co2,

$156.74
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Zahm nagel 100d co2 volume - -,

Zahm nagel 100d co2 volume - -,

$1050.00
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Co2 meter san personal - personal, 5%

Co2 meter san personal - personal, 5%

$207.99
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Mch3 touchscreen co2 - mch3,

Mch3 touchscreen co2 - mch3,

$41.96
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Birdie design indoor - 2.0, -design

Birdie design indoor - 2.0, -design

$64.96
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Inkbirdplus indoor co2 - inkbirdplus,

Inkbirdplus indoor co2 - inkbirdplus,

$51.99
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Birdie design indoor co2 - 2.0,

Birdie design indoor co2 - 2.0,

$64.93
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Switchbot co2 detector air - switchbot, detector,

Switchbot co2 detector air - switchbot, detector,

$39.99
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Co2 meter with - alarm, portable

Co2 meter with - alarm, portable

$19.85
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Inkbird portable co2 detector - portable,

Inkbird portable co2 detector - portable,

$69.95
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Air quality monitor - 5-in-1,

Air quality monitor - 5-in-1,

$22.90
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Air quality monitor - air,

Air quality monitor - air,

$24.99
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Mch3 indoor smart co2 - mch3™,

Mch3 indoor smart co2 - mch3™,

$16.37
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Lcd air quality monitor meter - air,

Lcd air quality monitor meter - air,

$15.92
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Co2 monitor alarm - co2, w/

Co2 monitor alarm - co2, w/

$539.99
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Gas co2 detector air - detector,

Gas co2 detector air - detector,

$35.00
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Air quality monitor - in,

Air quality monitor - in,

$19.01
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Air quality monitor - quality,

Air quality monitor - quality,

$17.32
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Temtop co2 monitor - co2, indoor

Temtop co2 monitor - co2, indoor

$47.83
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Dm72b wifi air - air, monitor

Dm72b wifi air - air, monitor

$87.38
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Vevor mini air quality monitor - quality,

Vevor mini air quality monitor - quality,

$26.72
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Temtop co2 monitor indoor air - co2,

Temtop co2 monitor indoor air - co2,

$18.00
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Temtop co2 meter air - temtop, p2

Temtop co2 meter air - temtop, p2

$79.99
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Switchbot meter pro - switchbot,

Switchbot meter pro - switchbot,

$84.95
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Birdie design indoor - 2.0,

Birdie design indoor - 2.0,

$65.44
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Air monitor smart - monitor:, quality

Air monitor smart - monitor:, quality

$39.99
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Temtop co2 monitor - temtop, indoor

Temtop co2 monitor - temtop, indoor

$28.00
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Co2 monitor 1 - co2, 3-in-1

Co2 monitor 1 - co2, 3-in-1

$38.00
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10in1 18in1 air quality - 18in1,

10in1 18in1 air quality - 18in1,

$14.67
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Morptra professional indoor - morptra,

Morptra professional indoor - morptra,

$27.99
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Tuya wifi air quality - in,

Tuya wifi air quality - in,

$35.99
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Co2 air detector semiconductor - co2,

Co2 air detector semiconductor - co2,

$13.78
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Psense portable co2 meter - portable,

Psense portable co2 meter - portable,

$106.25
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Co2 meter air - air, monitor

Co2 meter air - air, monitor

$27.28
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Inkbird wireless wifi indoor - wireless,

Inkbird wireless wifi indoor - wireless,

$49.99
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Inkbird co2 monitor air - inkbird,

Inkbird co2 monitor air - inkbird,

$71.99
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Extech portable air quality - portable,

Extech portable air quality - portable,

$220.00
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Co2 meter portable - meter,

Co2 meter portable - meter,

$195.00
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Atmocube air quality monitor - atmocube,

Atmocube air quality monitor - atmocube,

$246.00
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Tuya wifi air quality - 15,

Tuya wifi air quality - 15,

$26.57
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Co2 meter data logger - co2, ndir

Co2 meter data logger - co2, ndir

$89.99
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Smart air quality monitor - air,

Smart air quality monitor - air,

$96.95
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Air quality monitor - 5-in-1,

Air quality monitor - 5-in-1,

$18.95
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Air quality monitor - 8-in-1,

Air quality monitor - 8-in-1,

$69.99
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Co2 meter air quality - co2,

Co2 meter air quality - co2,

$16.16
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Air quality monitor - in,

Air quality monitor - in,

$134.99
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9in1 air quality monitor - 9in1,

9in1 air quality monitor - 9in1,

$23.95
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Smart co2 monitor indoor - smart, air

Smart co2 monitor indoor - smart, air

$76.70
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Air quality monitor pm - 1,

Air quality monitor pm - 1,

$19.04
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Lcd air quality - air, monitor

Lcd air quality - air, monitor

$19.99
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Indoor co2 detector - co2,

Indoor co2 detector - co2,

$17.29
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Air quality humidity temp - humidity,

Air quality humidity temp - humidity,

$15.00
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7755 carbon dioxide - carbon,

7755 carbon dioxide - carbon,

$70.00
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Air quality monitor - 5, 1

Air quality monitor - 5, 1

$17.28
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5in1 air monitor - 5in1, hcho

5in1 air monitor - 5in1, hcho

$20.69
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1pc home safety air quality - 1pc,

1pc home safety air quality - 1pc,

$48.39
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Instrument 7755 carbon - az,

Instrument 7755 carbon - az,

$70.29
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Indoor air quality monitor - air,

Indoor air quality monitor - air,

$119.75
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Portable co2 meter air quality - portable,

Portable co2 meter air quality - portable,

$29.99
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Co2 meter air quality - meter, monitor

Co2 meter air quality - meter, monitor

$21.99
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Indoor air quality monitor for - air,

Indoor air quality monitor for - air,

$64.00
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Air quality monitor co2 - 5,

Air quality monitor co2 - 5,

$18.00
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Professional indoor - 13-in-1,

Professional indoor - 13-in-1,

$44.00
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Air quality monitor - monitor, co2

Air quality monitor - monitor, co2

$21.78
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M10 co2 meter indoor - 6-in-1,

M10 co2 meter indoor - 6-in-1,

$126.29
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Switchbot meter pro co2 - meter,

Switchbot meter pro co2 - meter,

$39.00
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Indoor air quality monitor - indoor,

Indoor air quality monitor - indoor,

$117.32
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Indoor air quality - indoor,

Indoor air quality - indoor,

$29.00
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Indoor air quality - indoor,

Indoor air quality - indoor,

$117.32
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Dm72b wifi air quality - quality, monitor

Dm72b wifi air quality - quality, monitor

$93.42
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Pth 10e portable - pth-10e,

Pth 10e portable - pth-10e,

$42.73
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Lwyinp indoor air - lwyinp,

Lwyinp indoor air - lwyinp,

$25.00
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📊96 listings · from $13.01 · avg $79.16
⚠️ These listings were last updated more than 11 days ago. Search for fresh listings

Browse 96 co2 meter listings currently in our index. Prices range from $13.01 to $1050, with an average of $79.16. 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 →

Try this: cylinder bore gauge | electromagnetic coil | engine dyno | fluke 725 | hub dyno | hydraulic flow meter | jamar dynamometer | positector 6000 | resistivity meter | turbidity 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 $13.01, while premium listings can reach $1050 — giving you a wide budget spread to work with. The average price of $79.16 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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