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CEKKIENA [4-in-1] Portable Carbon Monoxide Detector Air Quality Carbon Dioxide Sensor/Temperature/Humidity/Gas Leak Smoke CO Alarm Monitor for Indoor Outdoor Travel Camping Car RV (Dark Grey)Amazon$59.99
Lunarlipes Portable 4-in-1 Carbon Monoxide Detectors, Mini Carbon Monoxide and Carbon Dioxide Monitor with Magnetic Suction, RV CO CO2 Detector Alarm Temp/Humidity Sensor, CO CO2 Air Quality MonitorAmazon$46.99
3 Pack Smoke and Carbon Monoxide detectors Powered by Batteries, with Digital Display, Smoke and Carbon Dioxide Dual Alarm sensors, Easy to Install BlackAmazon$48.69
Carbon Dioxide Detector, CO2 Meter Adjustable Screen Brightness Rechargeable Battery 3 in 1 for OfficeAmazon$142.20
carbon dioxide concentration detector Sweden imported imported senseair S8-0053 sensorNewegg$172.19
AZ7787 CO2 Detector Carbon Dioxide Detector w Temperature ad Humidity Dew PointNewegg$23.59
CO2 Air Detector Carbon Dioxide Detector Agricultural Production Greenhouse CO2 Monitor BlackNeweggSAVE $6.00
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CO2 Carbon Dioxide Detector, Indoor Air Quality Monitor 4-in-1 Portable CO2 Monitor, Tester for Carbon Dioxide, Temperature & Relative Humidity, CO2 Meter with Alarm, for Home, Car, Grow Tents, TravelAmazon$123.63
Weytoll Carbon Dioxide Detector with Rechargeable Battery Portable CO2 Meter Tester for Carbon Dioxide Air Quality Detector CO2 Meter Monitor with.Newegg$36.99
Carbon Dioxide Data Logger CO2 Detector Monitor Indoor CO2 Air Quality Meter Temperature Relative Humidity Data Logger AMF-102Amazon$29.99
Portable CO2 Detector, 3-in-1 Carbon Dioxide Detector Air Quality Monitor with Built-in Temperature Humidity Sensor, CO2 Level Monitor Alarm, CO2 Meter for Home, Office, TravelAmazon$695.45
Carbon Dioxide CO2 Meter for Incubators | USA NIST Calibration | USB Recharge | Adjustable Sound, Light & Vibration Alarms | 0-10% CO2 |Amazon$895.00
Carbon Dioxide Analyzer by Forensics | USA NIST Calibration | CO2 Analyzer | Range: 0-5000ppm | Resolution: 1ppm | Built-in Pump & 4ft Probe |Amazon$99.45
Carbon Dioxide Monitor Wall Plug-in AC by Forensics | AB841 Compliant Alarms for Classrooms | AC Power Direct to Wall | 10 Year Life | CO2 Meter | Gyms, Offices, Classrooms, Home, Retail |Amazon$189.79
AZ7788A Carbon Dioxide Detector Plant Model CO2 Gas Test Alarm Trend Recorder Tester Monitor Analyzer 3Color LED RANGE 0-5000PPMNewegg$59.99
KETOTEK CO2 Monitor, Air Quality Monitor Indoor, CO2 Detector with Alarm, Carbon Dioxide Detectors for Home, Temperature and Humidity MeterAmazon$24.99
Carbon Monoxide Detector, 12 Inch Long Bendable Sensor, Handheld Carbon Dioxide Detector Portable, with LED Digital Display, Tick Tock Beep, Lighted Warning 3 in 1 Detector for Camping, Home & RVAmazon$56.79
Smart Wi-Fi Carbon Dioxide Detector Temperature Humidity Sensor Carbon Dioxide Tester High Precision for Agricultural GreenhouseNewegg$29.99
Air Quality Detector CO2 Monitor Indoor 5 in 1 Smart Air Quality Meter Portable Carbon Dioxide Detector CO2/TVOC/HCHO Alarm Mini Air Quality Tester for Home/Travel/Office/School/CarAmazonSAVE $15.00
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TACKLY - CO2 Monitor | Detector with Air Quality 4-in1 | Carbon Dioxide Detector | Humidity Meter Sensor with Indoor Thermometer | Digital Higrometer for Indoor Humidity and Temperature | Version 2024Amazon$55.99
Smart WiFi CO2 Detector Indoor Air Quality Monitor CO2 Meter Carbon Dioxide Detector for Grow Tent, Bedroom, and Wine Cellars - NDIR Sensor, Temperature, and Humidity Meter with Air Convection DesignAmazon$14.79
Air Quality Monitor, CO2 Carbon Dioxide Detector, PM2.5 Detector, Battery Operated Air Quality Monitor for Detecting Carbon Dioxide, TVOC HCHO, Temp HumidityAmazon$688.99
MACURCO PM150-CO2 Portable Carbon Dioxide Detector,LCDZoro.com$39.99
Upgraded Mini CO2 Detector, ACRIMAX Multi-Function CO2 Monitor Portable Meter Air Quality Monitor Carbon Dioxide Detector Temperature and Humidity Detector for Travel Home Indoor or Anywhere You UseAmazonSAVE $4.00
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3 in 1 Carbon Dioxide Detector, Abiaopure Air Quality Monitor Indoor Lightweight Portable CO2 Detector(Pack 1) (AIR03)Amazon$59.79
Wall Mount CO2 Detector Meter Indoor Air Quality CO2 Monitor 400-5000 PPM Portable Carbon Dioxide Detector Monitor Co2 Monitor PortableAmazon$83.99
GZAIR 1T Portable Indoor Temperature & Relative Humidity Carbon Dioxide Detector - .71Bed Bath & BeyondSAVE $1.10
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Air Quality Monitor CO2 Detector HCHO TVOC Temperature Humidity Meter Monitor 5 in 1 Battery Operated Carbon Dioxide DetectorAmazonSAVE $7.00
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Chaoos Mini 5-in-1 Air Quality Monitor, Portable Formaldehyde Detector HCHO Alarm Carbon Dioxide CO2 Detector with Lanyard, HCHO CO2 TVOC Temp & Humidity Monitor Rechargeable 1000mAh Battery (Black)Amazon$324.72
Wohler CDL 210 CO2 Monitor & Datalogger, Air Quality Meter, Carbon Dioxide DetectorAmazon$332.80
CHCDP Air Monitor Carbon Dioxide Detector Greenhouse Warehouse Air Quality Temperature Humidity Monitor Fast Measurement Meter (Color : E, Size : 90 * 70 * 35mm)Amazon$129.99
GZAIR CO2 Data Logger Monitor, Wall-Mounted Carbon Dioxide Detector, IAQ CO2 Detector, NDIR Sensor, Temperature and Humidity, 0~5000ppm Range (CO2 Detection Human/Plant Mode)Amazon$45.13
Tuya Wifi 7in1 Multifunctional Air Quality Meter PM2.5 CO2 TVOC HCHO AQI Temperature Humidity Tester Portable Color Display Carbon Dioxide Detector.Newegg$34.99
Mingzhe 9 in 1 Air Quality Monitor CO2 Meter Carbon Dioxide Detector CO2 CO TVOC HCHO PM2.5 PM1.0 PM10 Temperature Humidity DetectionAmazon$14.99
GY-SGP30 Air Measurement Gas Sensor Module Multi-Pixel Gas Sensor TVOC/eCO2 Air Quality Formaldehyde Carbon Dioxide Detector Tester for Indoor Air Quality MonitoringAmazon$15.99
Air Quality Monitor 3 in 1 Carbon Dioxide Detector Portable, NDIR Sensor, CO2 Monitor Rechargeable, 400-5000 ppm Temperature(°F) and Humidity Meter for HomeAmazon$35.98
Norpolifomor Premium CO2 Monitor Indoor Wireless Indoor Air Quality Monitor for Office or School (Temperature, Humidity and More) Portable, Battery Powered,Carbon Dioxide Detector for Travel CampingAmazonSAVE $7.00
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3 in 1 Handheld CO2 Meter with Alarm,400-5000ppm CO2 Carbon Dioxide Detector with 3 Color Screen,Air Quality Monitor,CO2 Monitor Indoor ℃/℉ Temperature Humidity TesterAmazon$516.99
SENTRY ST-303 Handheld Carbon Dioxide CO2 Detector AnalyzerNewegg$27.99
Smgda Air Quality Monitor 5 in 1 CO2 HCHO TVOC Carbon Dioxide Detector Temperature Humidity Gas Analyzer Type-C USB Charging Real Time Sound/Light Alarm for Indoor Home Office Warehouse LaboratoryAmazon$38.00
Household Digital Air Quality Monitor Carbon Dioxide CO2 Detector with Infrared SensorAmazonSAVE $9.20
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Pyle Smart Indoor Air Quality Monitor - Digital Hygrometer Thermometer Test Gauge, Air Tester for Home, Pollution Sensor Detector, Carbon Dioxide Meter, Temperature and Humidity Tester Kit -PCO2MT05Amazon$29.98
Chtoocy Portable CO2 Monitor Travel Air Quality Meter Sensor with Alarm, 3 in 1 Carbon Dioxide Indoor Detector Mini for Home Travel Camping RV Car with NDIR Tester ReaderAmazonSAVE $3.00
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CO2 Detector Smart WiFi CO2 Monitor 11'' LED Display Air Quality Monitor for Carbon Dioxide, Humidity, Temperature, App Control Air Quality Tester with Alarm for Home, Office, Grow Tents, etc.Amazon$16.43
CO2 Detector Air Quality Monitor Indoor Mini CO2 Meter Portable CO2 Battery Opened Carbon Dioxide 5 in 1 HCHO TVOC Temperature Humidity Air Analyzer Digital for Home, Grow Tent, Wine Cellar, CarAmazon$17.89
Air Quality Monitor Portable CO2 Detector Professional Carbon Dioxide HCHO TVOC Temp Humi Air Quality Monitor for Home, Travel Camp, Grew RoomAmazon$189.99
Temtop Air Quality Monitor CO2 Detector Professional Carbon Dioxide PM2.5 PM10 Formaldehyde Temperature and Humidity Monitor w/Audio Alarm Data Export (M2000 2nd)Amazon$29.99
Chtoocy Air Quality Monitor Portable CO2 Detector Professional Carbon Dioxide, Temperature and Relative Humidity, CO2 Meter Alarm with Clear Display Gift Idea for Home, Travel Camp, Grew RoomAmazon$18.05
CO2 Detector Temp Humidity Testing Simultaneous Display Air Quality Monitor for Carbon Dioxide HCHO TVOC DC5V for Office or Living RoomAmazon$21.29
Sunydog 6 in 1 PM2.5 P HCHO TVOC CO CO2 Multifunctional Air Quality Detector CO Carbon Dioxide Formaldehyde Monitor LCD Large Screen Display Portable Home Office Hotel Desktop Air Quality TesterAmazon$59.99
LFF CO2 Detector, Indoor Air Quality Monitor, Carbon Dioxide Tester, CO2 Monitor with Dual Alarm and Customized Acoustic CO2 Alarm, Portable CO2 Meter with Temp Humi and BacklightAmazon$151.39
CO2 Controller Carbon Dioxide Controller Air Quality Monitor CO2 Detector with Day & Night Relay Control CO2 Continuous Measurement, NDIR CO2 Sensor Meter for Grow Room Green House Factory OfficeAmazon$220.00
Air Quality Monitor,7-in-1 Air Detector,Tester for Carbon Dioxide,TOVC,HCHO, PM2.5,PM10,Temperature and Relative Humidity,Data Storage &Recording 2024 WiFi Upgrade Version(TC-700Pro)Amazon$55.99
LSENLTY Portable CO2 Detector, 2s Refresh High Accuracy Carbon Dioxide Monitor, 3 in 1 CO2 Meter(Temperature, Humidity and CO2 Value), 96 Hours Standby Time CO2 Monitor for Travel Camping Home OfficeAmazon$24.99
Smgda Air Quality Monitor, 5 in 1 Indoor Portable CO2 Monitor, TVOC Sensor, Carbon Dioxide Formaldehyde(HCHO) AQI Detector Multifunctional Air Quality Tester for Home Office School Hotel CarAmazon$39.49
Household Air Quality Detector Multifunctional CO2 Tester with Carbon Dioxide PM2.5 TVOC HCHO Value Electricity Quantity Temperature Humidity.Newegg$49.99
Air Quality Monitor Indoor, Detector Portable CO2 Battery Powered Carbon Dioxide 5 in 1 HCHO TVOC Temp Humi Meter for Home, Grow Tent, Wine Cellar, CarAmazon$49.99
Air Quality Monitor Indoor, Detector Portable CO2 Battery Powered Carbon Dioxide 5 in 1 HCHO TVOC Temp Humi Meter for Home, Grow Tent, Wine Cellar, CarAmazon$7.99
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Testo 535 Digital CO2 Detector – Air Quality Monitor for Precise Carbon Dioxide Measurements up to 10000ppm – CO2 Monitor with Audible Alarms – Air Quality Tester with App CompatibilityAmazon