Image | Title | Price | Postage | Bids | Time Left |
![TVOC Air Quality Detector Carbon Dioxide Monitor CO2 Temperature Humidity 5 in 1](https://i.ebayimg.com/thumbs/images/g/GgsAAOSwaTtll3WG/s-l140.jpg) | | $30.95 | Free | ![Buy TVOC Air Quality Detector Carbon Dioxide Monitor CO2 Temperature Humidity 5 in 1](/images/bin.gif)
| 1d 10h 2m |
![3IN1 CO2 Meter Air Quality Temperature Humidity Meter Air Portable 6T5T C0Z7](https://i.ebayimg.com/thumbs/images/g/2AMAAOSwMY5jtkeQ/s-l140.jpg) | | $20.62 | Free | ![Buy 3IN1 CO2 Meter Air Quality Temperature Humidity Meter Air Portable 6T5T C0Z7](/images/bin.gif)
| 1d 10h 6m |
![Portable Carbon Dioxide Detector Digital Temp Humidity CO2 Meter (Black) ?](https://i.ebayimg.com/thumbs/images/g/kgsAAOSwWrFll5G9/s-l140.jpg) | | $28.52 | Free | ![Buy Portable Carbon Dioxide Detector Digital Temp Humidity CO2 Meter (Black) ?](/images/bin.gif)
| 1d 10h 34m |
![WiFi CO2 Meter with Temperature Humidity Detection for Real Time Monitoring](https://i.ebayimg.com/thumbs/images/g/kU0AAOSw73tmX~D5/s-l140.jpg) | | $92.73 | Free | ![Buy WiFi CO2 Meter with Temperature Humidity Detection for Real Time Monitoring](/images/bin.gif)
| 1d 10h 40m |
![KXL-803 Portable Digital LCD (O2) Meter Indicator E1N4](https://i.ebayimg.com/thumbs/images/g/q7QAAOSwuY5mNxWG/s-l140.jpg) | | $98.72 | Free | ![Buy KXL-803 Portable Digital LCD (O2) Meter Indicator E1N4](/images/bin.gif)
| 1d 11h 3m |
![Digital CO2 Meter Gas Detector Temperature Humidity HCHO Air Quality Monitor](https://i.ebayimg.com/thumbs/images/g/3d0AAOSwHKljhy7F/s-l140.jpg) | | $39.00 | $3.68 | ![Buy Digital CO2 Meter Gas Detector Temperature Humidity HCHO Air Quality Monitor](/images/bin.gif)
| 1d 12h 4m |
![Air Quality Co2 Meter PM2.5 PM1.0 PM10 CO2 TVOC Analyzer Particle Detect](https://i.ebayimg.com/thumbs/images/g/uJEAAOSwDYFmYAvT/s-l140.jpg) | | $146.82 | $6.20 | ![Buy Air Quality Co2 Meter PM2.5 PM1.0 PM10 CO2 TVOC Analyzer Particle Detect](/images/bin.gif)
| 1d 12h 36m |
![Accurate Air Quality Measurement with CO2 Meter for Home and Office Use](https://i.ebayimg.com/thumbs/images/g/t7sAAOSwONdmYBRP/s-l140.jpg) | | $88.37 | Free | ![Buy Accurate Air Quality Measurement with CO2 Meter for Home and Office Use](/images/bin.gif)
| 1d 13h 10m |
![Accurate 3 in 1 Air Quality Monitor CO Meter Temperature&Humidity APP Control](https://i.ebayimg.com/thumbs/images/g/jTUAAOSwjd9mYBRm/s-l140.jpg) | | $50.46 | Free | ![Buy Accurate 3 in 1 Air Quality Monitor CO Meter Temperature&Humidity APP Control](/images/bin.gif)
| 1d 13h 11m |
![(White)Multifunctional 6 In 1 CO2 Meter Air Quality Monitor Temperature SG](https://i.ebayimg.com/thumbs/images/g/6a0AAOSwMNxl5r2r/s-l140.jpg) | | $46.78 | Free | ![Buy (White)Multifunctional 6 In 1 CO2 Meter Air Quality Monitor Temperature SG](/images/bin.gif)
| 1d 13h 14m |
![CO2 Monitor with Air Quality CO2 Meter Formaldehyde /HCHO TVOC](https://i.ebayimg.com/thumbs/images/g/3yAAAOSwJ6hmNzgw/s-l140.jpg) | | $41.80 | $6.94 | ![Buy CO2 Monitor with Air Quality CO2 Meter Formaldehyde /HCHO TVOC](/images/bin.gif)
| 1d 13h 23m |
![15 in 1 CO2 Meter LCD Large Display Digital Air Quality Tester for Household](https://i.ebayimg.com/thumbs/images/g/Y60AAOSw0Apkovuw/s-l140.jpg) | | $56.39 | Free | ![Buy 15 in 1 CO2 Meter LCD Large Display Digital Air Quality Tester for Household](/images/bin.gif)
| 1d 13h 40m |
![CO2 Meter Carbon Dioxide Detector Indoor Air Quality Monitor TVOC HCHO](https://i.ebayimg.com/thumbs/images/g/uncAAOSwfaRl5sNw/s-l140.jpg) | | $39.45 | Free | ![Buy CO2 Meter Carbon Dioxide Detector Indoor Air Quality Monitor TVOC HCHO](/images/bin.gif)
| 1d 13h 43m |
![Portable Air Quality Monitor with CO2 Meter and Temperature Humidity Sensor](https://i.ebayimg.com/thumbs/images/g/UFwAAOSw8SFmYB1v/s-l140.jpg) | | $36.23 | Free | ![Buy Portable Air Quality Monitor with CO2 Meter and Temperature Humidity Sensor](/images/bin.gif)
| 1d 13h 46m |
![8 in 1 Quality CO2 Meter Carbon Dioxide CO2 TVOC HCHO F4J6](https://i.ebayimg.com/thumbs/images/g/~A8AAOSwaIVmNzGI/s-l140.jpg) | | $41.45 | Free | ![Buy 8 in 1 Quality CO2 Meter Carbon Dioxide CO2 TVOC HCHO F4J6](/images/bin.gif)
| 1d 13h 57m |
![8 in 1 Quality CO2 Meter Carbon Dioxide CO2 TVOC HCHO R8A1](https://i.ebayimg.com/thumbs/images/g/-mMAAOSwm5VmNyzW/s-l140.jpg) | | $41.45 | Free | ![Buy 8 in 1 Quality CO2 Meter Carbon Dioxide CO2 TVOC HCHO R8A1](/images/bin.gif)
| 1d 14h 6m |
![TL?2000A CO2 Meter Temperature Humidity Recorder Air Quality Monitor AC100?240V](https://i.ebayimg.com/thumbs/images/g/43cAAOSwR7BlZ8sU/s-l140.jpg) | | $130.30 | Free | ![Buy TL?2000A CO2 Meter Temperature Humidity Recorder Air Quality Monitor AC100?240V](/images/bin.gif)
| 1d 14h 42m |
![Multifunctional CO2 Meter Temperature Humidity Recorder Air Quality Monitor AC](https://i.ebayimg.com/thumbs/images/g/PxUAAOSwSxVlbb6O/s-l140.jpg) | | $129.23 | Free | ![Buy Multifunctional CO2 Meter Temperature Humidity Recorder Air Quality Monitor AC](/images/bin.gif)
| 1d 14h 46m |
![Smart Sensor Carbon Dioxide Detector PPM CO2 Meter Tester Gas Monitor USB Power](https://i.ebayimg.com/thumbs/images/g/n6AAAOSwT75d6MMH/s-l140.jpg) | | $180.04 | Free | ![Buy Smart Sensor Carbon Dioxide Detector PPM CO2 Meter Tester Gas Monitor USB Power](/images/bin.gif)
| 1d 15h 35m |
![9 in 1 Quality CO2 Meter Carbon Dioxide /Date U8S1](https://i.ebayimg.com/thumbs/images/g/v2wAAOSwycdmN0wX/s-l140.jpg) | | $43.63 | Free | ![Buy 9 in 1 Quality CO2 Meter Carbon Dioxide /Date U8S1](/images/bin.gif)
| 1d 17h 8m |
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