Image | Title | Price | Postage | Bids | Time Left |
![HORIBA HC/CO tester (exhaust gas measurement) MEXA-324M operation OK 202212M](https://i.ebayimg.com/thumbs/images/g/ICcAAOSwRLxmZspS/s-l140.jpg) | | £2348.46 | Free | ![Buy HORIBA HC/CO tester (exhaust gas measurement) MEXA-324M operation OK 202212M](/images/bin.gif)
| 4d 4h 44m |
![WiFi Enabled Indoor CO2 Tester with Temperature and Humidity Detection](https://i.ebayimg.com/thumbs/images/g/1FIAAOSwxMhmPfsK/s-l140.jpg) | | £59.63 | Free | ![Buy WiFi Enabled Indoor CO2 Tester with Temperature and Humidity Detection](/images/bin.gif)
| 4d 5h 49m |
![Indoor CO2 Tester Air Quality Monitor Temperature Humidity Analyzer with WiFi](https://i.ebayimg.com/thumbs/images/g/ZOwAAOSwjSBmPoRc/s-l140.jpg) | | £63.51 | Free | ![Buy Indoor CO2 Tester Air Quality Monitor Temperature Humidity Analyzer with WiFi](/images/bin.gif)
| 4d 15h 32m |
![Reliable CO2 Tester for Agricultural Planting and Production Warehouses](https://i.ebayimg.com/thumbs/images/g/zUAAAOSwfN9mPuvA/s-l140.jpg) | | £60.92 | Free | ![Buy Reliable CO2 Tester for Agricultural Planting and Production Warehouses](/images/bin.gif)
| 4d 22h 56m |
![WiFi Enabled Indoor CO2 Tester Accurate Measurement and User Friendly Interface](https://i.ebayimg.com/thumbs/images/g/cZkAAOSwFThmPv20/s-l140.jpg) | | £66.05 | Free | ![Buy WiFi Enabled Indoor CO2 Tester Accurate Measurement and User Friendly Interface](/images/bin.gif)
| 5d 0h 9m |
![Mini Portable Air Quality Monitor CO2 Tester Temperature Humidity Detector](https://i.ebayimg.com/thumbs/images/g/iDUAAOSw69BmaPXB/s-l140.jpg) | | £31.27 | Free | ![Buy Mini Portable Air Quality Monitor CO2 Tester Temperature Humidity Detector](/images/bin.gif)
| 5d 20h 14m |
![Glass Drop Checker Aquarium CO2 Tester Monitor for Planted](https://i.ebayimg.com/thumbs/images/g/i6oAAOSwk5JloVhr/s-l140.jpg) | | £3.82 | Free | ![Buy Glass Drop Checker Aquarium CO2 Tester Monitor for Planted](/images/bin.gif)
| 6d 9h 19m |
![For CO2 PM2.5 PM10 Detect Air Monitor Co2 Tester Outdoors&Indoors 5V LCD](https://i.ebayimg.com/thumbs/images/g/bvIAAOSwz29kXn9r/s-l140.jpg) | | £29.10 | Free | ![Buy For CO2 PM2.5 PM10 Detect Air Monitor Co2 Tester Outdoors&Indoors 5V LCD](/images/bin.gif)
| 6d 13h 8m |
![Indoor CO2 Tester Digital Air Quality Meter Carbon Dioxide Detector with Alarm](https://i.ebayimg.com/thumbs/images/g/WBIAAOSw~bBmaoDL/s-l140.jpg) | | £28.17 | £0.31 | ![Buy Indoor CO2 Tester Digital Air Quality Meter Carbon Dioxide Detector with Alarm](/images/bin.gif)
| 7d 0h 21m |
![CO2 Tester with Temperature Humidity TVOC Detection Digital Air Quality Meter](https://i.ebayimg.com/thumbs/images/g/NcIAAOSwBLxmaoF8/s-l140.jpg) | | £28.17 | £0.31 | ![Buy CO2 Tester with Temperature Humidity TVOC Detection Digital Air Quality Meter](/images/bin.gif)
| 7d 0h 24m |
![Smart Indoor CO2 Tester with WiFi Connection and Temperature Humidity Sensor](https://i.ebayimg.com/thumbs/images/g/RQAAAOSwcKNmQbVz/s-l140.jpg) | | £61.35 | Free | ![Buy Smart Indoor CO2 Tester with WiFi Connection and Temperature Humidity Sensor](/images/bin.gif)
| 7d 1h 39m |
![NEW SPD201/O2 Digital Oxygen Detector O2 Tester Meter #A1](https://i.ebayimg.com/thumbs/images/g/04wAAOSwOW1jTmir/s-l140.jpg) | | £201.80 | £15.99 | ![Buy NEW SPD201/O2 Digital Oxygen Detector O2 Tester Meter #A1](/images/bin.gif)
| 7d 5h 2m |
![(White)CO2 Tester ABS Case 5 In 1 Portable Air Quality Detector With Color](https://i.ebayimg.com/thumbs/images/g/tP8AAOSwlf1maxgO/s-l140.jpg) | | £23.71 | Free | ![Buy (White)CO2 Tester ABS Case 5 In 1 Portable Air Quality Detector With Color](/images/bin.gif)
| 7d 11h 3m |
![WiFi Connected Indoor CO2 Tester Air Quality Monitor Temperature Humidity Meter](https://i.ebayimg.com/thumbs/images/g/i8EAAOSwv0dmQkQL/s-l140.jpg) | | £64.12 | Free | ![Buy WiFi Connected Indoor CO2 Tester Air Quality Monitor Temperature Humidity Meter](/images/bin.gif)
| 7d 11h 33m |
![Indoor CO2 Tester Air Quality Monitor Temperature Humidity Analyzer with WiFi](https://i.ebayimg.com/thumbs/images/g/8kkAAOSwnxRmQk1-/s-l140.jpg) | | £63.48 | Free | ![Buy Indoor CO2 Tester Air Quality Monitor Temperature Humidity Analyzer with WiFi](/images/bin.gif)
| 7d 12h 6m |
![Portable Indoor CO2 Tester Air Quality Monitor Temperature Humidity Meter](https://i.ebayimg.com/thumbs/images/g/6fEAAOSwIupmQlhF/s-l140.jpg) | | £62.84 | Free | ![Buy Portable Indoor CO2 Tester Air Quality Monitor Temperature Humidity Meter](/images/bin.gif)
| 7d 12h 38m |
![Multifunctional CO2 Tester with WiFi Integration for Air Quality Monitoring](https://i.ebayimg.com/thumbs/images/g/2jMAAOSwk8pmQlqp/s-l140.jpg) | | £53.64 | Free | ![Buy Multifunctional CO2 Tester with WiFi Integration for Air Quality Monitoring](/images/bin.gif)
| 7d 12h 47m |
![WiFi Enabled Indoor CO2 Tester Accurate Measurement and User Friendly Interface](https://i.ebayimg.com/thumbs/images/g/7dcAAOSwVqRmQmKe/s-l140.jpg) | | £68.61 | Free | ![Buy WiFi Enabled Indoor CO2 Tester Accurate Measurement and User Friendly Interface](/images/bin.gif)
| 7d 13h 11m |
![WiFi Connected Indoor CO2 Tester Luftqualitätsmonitor Temperatur Luftfeuchtigke](https://i.ebayimg.com/thumbs/images/g/hKgAAOSwgyNmQoXN/s-l140.jpg) | | £56.65 | Free | ![Buy WiFi Connected Indoor CO2 Tester Luftqualitätsmonitor Temperatur Luftfeuchtigke](/images/bin.gif)
| 7d 15h 10m |
![Portable Indoor Outdoor CO2 Tester Mini Air Quality Monitor with LED Display](https://i.ebayimg.com/thumbs/images/g/7ZEAAOSw6Uhma5dv/s-l140.jpg) | | £31.27 | Free | ![Buy Portable Indoor Outdoor CO2 Tester Mini Air Quality Monitor with LED Display](/images/bin.gif)
| 7d 20h 6m |
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