Air Detector(405)
Uses item details. Price when purchased online
Elitech ILD-100H HVAC Refrigerant Leak Detector Heated Diode Sensor Life Halogen Freon Sniffer, Air Conditioning Detection, Automotive Gas Finder $129.99

Sponsored
$12999
current price $129.99Elitech ILD-100H HVAC Refrigerant Leak Detector Heated Diode Sensor Life Halogen Freon Sniffer, Air Conditioning Detection, Automotive Gas Finder
Elitech Infrared Refrigerant Leak Detector HVAC Halogen Gas AC Sniffer From $190.99

Sponsored
From$19099
Elitech Infrared Refrigerant Leak Detector HVAC Halogen Gas AC Sniffer
Dylos DC1100-Pro Air Quality Monitor, 1 Count $260.99

Sponsored
$26099
current price $260.99Dylos DC1100-Pro Air Quality Monitor, 1 Count
24 out of 5 Stars. 2 reviews
KFFKFF Home Radon Detector, 3.3Bq to 37kBq/m³, Battery Powered Radon & Air Quality Monitor, Color Screen, Extended Radon Level Tracking, Rechargeable or Wired Option $95.99
Sponsored
$9599
current price $95.99KFFKFF Home Radon Detector, 3.3Bq to 37kBq/m³, Battery Powered Radon & Air Quality Monitor, Color Screen, Extended Radon Level Tracking, Rechargeable or Wired Option
25 out of 5 Stars. 2 reviews
Indoor Air Quality Detector High- Real-Time Portable 10-in-1 Monitor with Alarm Air Quality Tester Indoor B $24.08

$2408
current price $24.08Indoor Air Quality Detector High- Real-Time Portable 10-in-1 Monitor with Alarm Air Quality Tester Indoor B
14 out of 5 Stars. 1 reviews
Air Quality Monitor Indoor, 5-in-1 Professional Portable CO2 Detector, TVOC HCHO Humidity Temperature Meter, White $16.88

$1688
current price $16.88Air Quality Monitor Indoor, 5-in-1 Professional Portable CO2 Detector, TVOC HCHO Humidity Temperature Meter, White
683.3 out of 5 Stars. 68 reviews
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Indoor Air Quality Detector High- Real-Time Portable 10-in-1 Monitor with Alarm Air Quality Tester Indoor A $27.31

$2731
current price $27.31Indoor Air Quality Detector High- Real-Time Portable 10-in-1 Monitor with Alarm Air Quality Tester Indoor A
PM2.5 Dust Detector, Household Indoor Laser Meter, Air Quality Testing Instrument, Gas Detector $30.81

$3081
current price $30.81PM2.5 Dust Detector, Household Indoor Laser Meter, Air Quality Testing Instrument, Gas Detector
Handheld Oxygen Air Quality Monitor High Temperature Humidity O3 Sensor Gas Detector Indoor O3 Quality Monitor $56.21

$5621
current price $56.21Handheld Oxygen Air Quality Monitor High Temperature Humidity O3 Sensor Gas Detector Indoor O3 Quality Monitor
VEVOR Radon Detector for Home, 3.3Bq to 37kBq/m³, Radon Meter, Portable Battery Powered Radon & Air Quality Monitor, Color Display,Long-Term Radon Concentration Monitoring,Rechargeable or Wired Use $83.99

Sponsored
$8399
current price $83.99VEVOR Radon Detector for Home, 3.3Bq to 37kBq/m³, Radon Meter, Portable Battery Powered Radon & Air Quality Monitor, Color Display,Long-Term Radon Concentration Monitoring,Rechargeable or Wired Use
VEVOR Carbon Dioxide Monitor, CO2 Controller with Temperature and Humidity Display, NDIR Sensor, CO2 Sensor for Outdoors, Home, Office, Car, Lightweight & Portable $37.90

Sponsored
$3790
current price $37.90VEVOR Carbon Dioxide Monitor, CO2 Controller with Temperature and Humidity Display, NDIR Sensor, CO2 Sensor for Outdoors, Home, Office, Car, Lightweight & Portable
33.3 out of 5 Stars. 3 reviews
Neorosiri 5-in-1 Indoor Air Quality Monitor,HCHO TVOC CO2 Detector,Rechargeable LED Display,Alarm Function

Neorosiri 5-in-1 Indoor Air Quality Monitor,HCHO TVOC CO2 Detector,Rechargeable LED Display,Alarm Function
15 out of 5 Stars. 1 reviews
Air Quality Monitor 13-in-1, Air Monitor For Indoor, carbon dioxide temperature and humidity detector $39.00

$3900
current price $39.00Air Quality Monitor 13-in-1, Air Monitor For Indoor, carbon dioxide temperature and humidity detector
Airthings Wave Mini - Indoor Air Quality Monitor with Mold-Risk Indication $69.69 Was $79.99

Now$6969
current price Now $69.69, Was $79.99$79.99
Airthings Wave Mini - Indoor Air Quality Monitor with Mold-Risk Indication
444.4 out of 5 Stars. 44 reviews
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AIRKNIGHT 9-In-1 Indoor Air Quality Monitor Indoor Portable CO2 Monitor, VOC Sensor, Formaldehyde Detector, AQI, PM2.5 + 4 More Home Monitoring, Air Quality Tester Confined Space Clean Air Monitor $121.49

$12149
current price $121.49AIRKNIGHT 9-In-1 Indoor Air Quality Monitor Indoor Portable CO2 Monitor, VOC Sensor, Formaldehyde Detector, AQI, PM2.5 + 4 More Home Monitoring, Air Quality Tester Confined Space Clean Air Monitor
584 out of 5 Stars. 58 reviews
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5-in-1 Air Quality Monitor for Home and Office with CO, HCHO, TVOC, Temperature & Humidity, Portable Indoor Detector with Color LCD $14.99

$1499
current price $14.995-in-1 Air Quality Monitor for Home and Office with CO, HCHO, TVOC, Temperature & Humidity, Portable Indoor Detector with Color LCD
25 out of 5 Stars. 2 reviews
VEVOR Carbon Dioxide Monitor, CO2 Controller with Temperature and Humidity Display, NDIR Sensor, CO2 Sensor for Outdoors, Home, Office, Car, Wall-Mounted Use $45.90

Sponsored
$4590
current price $45.90VEVOR Carbon Dioxide Monitor, CO2 Controller with Temperature and Humidity Display, NDIR Sensor, CO2 Sensor for Outdoors, Home, Office, Car, Wall-Mounted Use
12 out of 5 Stars. 1 reviews
VEVOR Carbon Dioxide Monitor, CO2 Controller with Temperature and Humidity Display, NDIR Sensor, Carbon Dioxide Detector for Bedside, Home, Office, Car, Lightweight & Portable $39.99

Sponsored
$3999
current price $39.99VEVOR Carbon Dioxide Monitor, CO2 Controller with Temperature and Humidity Display, NDIR Sensor, Carbon Dioxide Detector for Bedside, Home, Office, Car, Lightweight & Portable
11 out of 5 Stars. 1 reviews
18-in-1 Air Quality Monitor Air Quality Tester Pm2.5 Data Storage Download Air Quality Carbon Dioxide Detector Black $25.66

$2566
current price $25.6618-in-1 Air Quality Monitor Air Quality Tester Pm2.5 Data Storage Download Air Quality Carbon Dioxide Detector Black
18-in-1 Air Quality Monitor Air Quality Tester Pm2.5 Data Storage Download Air Quality Carbon Dioxide Detector White $25.67

$2567
current price $25.6718-in-1 Air Quality Monitor Air Quality Tester Pm2.5 Data Storage Download Air Quality Carbon Dioxide Detector White
Air Quality Monitor 5 in 1 Air Quality Detector C02 Detector HCHO TVOC Tester LCD Temperature Humidity Tester Black,1 x Air Quality Detector,Black $13.79

$1379
current price $13.79Air Quality Monitor 5 in 1 Air Quality Detector C02 Detector HCHO TVOC Tester LCD Temperature Humidity Tester Black,1 x Air Quality Detector,Black
15-In-1 Tuya WIFI Rechargeable Household Digital Air Quality Detector CO2/CO/TVOC/HCHO/PM2.5/Temp/Humi for Smart Home A $30.62 Was $34.64

Now$3062
current price Now $30.62, Was $34.64$34.64
15-In-1 Tuya WIFI Rechargeable Household Digital Air Quality Detector CO2/CO/TVOC/HCHO/PM2.5/Temp/Humi for Smart Home A
PM 2.5 Air Quality Monitor Indoor Outdoor, Air Quality Sensor Detector, with 2.8 inch TFT Display, for PM1.0, PM10.0, PM2.5, AQI, Temperature and Humidity$$Other $46.22 Was $112.64

Now$4622
current price Now $46.22, Was $112.64$112.64
PM 2.5 Air Quality Monitor Indoor Outdoor, Air Quality Sensor Detector, with 2.8 inch TFT Display, for PM1.0, PM10.0, PM2.5, AQI, Temperature and Humidity$$Other
A8 Handheld Digital Oxygen Detector Air Oxygen Concentration Alarms Value USB Rechargeable 2.8inch TFT Color LCD Screen $75.75

$7575
current price $75.75A8 Handheld Digital Oxygen Detector Air Oxygen Concentration Alarms Value USB Rechargeable 2.8inch TFT Color LCD Screen
CQCYD Portable CO2 Air Quality Detector, Handheld Indoor Air Monitor for Home Car RV, 3-in- Multifunction Carbon Monoxide Tester with Temperature Humidity Sensor, Air Quality Meter for Office Tent $26.99

$2699
current price $26.99CQCYD Portable CO2 Air Quality Detector, Handheld Indoor Air Monitor for Home Car RV, 3-in- Multifunction Carbon Monoxide Tester with Temperature Humidity Sensor, Air Quality Meter for Office Tent
GJX Multifunctional LCD Digital Display Portable Carbon Dioxide Meter Temperature And Humidity Tester Air Quality Monitoring Analyzer, Wide Use $15.63

$1563
current price $15.63GJX Multifunctional LCD Digital Display Portable Carbon Dioxide Meter Temperature And Humidity Tester Air Quality Monitoring Analyzer, Wide Use
Yvagay Portable CO Monitor 4-in-1 Mini CO Meter, Rechargeable Travel Air Quality Monitor with Temp & Humidity Display, Magnetic Back $37.39

Sponsored
$3739
current price $37.39Yvagay Portable CO Monitor 4-in-1 Mini CO Meter, Rechargeable Travel Air Quality Monitor with Temp & Humidity Display, Magnetic Back
Indoor Air Quality Monitor,CO2 Monitor/Temperature/Formaldehyde Detector/Humidity TVOC for Rooms,Grow Tents Black $13.74

$1374
current price $13.74Indoor Air Quality Monitor,CO2 Monitor/Temperature/Formaldehyde Detector/Humidity TVOC for Rooms,Grow Tents Black
White ABS mini 3-in-1 air quality detector-PM2.5/real-time monitoring of temperature and humidity Laser sensor + three-color over-standard alarm0-999g/m3 range $53.60

$5360
current price $53.60White ABS mini 3-in-1 air quality detector-PM2.5/real-time monitoring of temperature and humidity Laser sensor + three-color over-standard alarm0-999g/m3 range
Pm2.5 Detector Small LED Display with Strap Air Quality Monitor Multipurpose Home Humidity Tester for Bedrooms Living $23.57

$2357
current price $23.57Pm2.5 Detector Small LED Display with Strap Air Quality Monitor Multipurpose Home Humidity Tester for Bedrooms Living
Airthings View Plus Complete Indoor Air Quality Monitor - 2960 $306.99 Was $329.00

Now$30699
current price Now $306.99, Was $329.00$329.00
Airthings View Plus Complete Indoor Air Quality Monitor - 2960
424.5 out of 5 Stars. 42 reviews
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Air Quality Detector HCHO Formaldehyde PM2.5 PM10 TVOC Real-Time Monitor with Temperature and Humidity Was $58.99

Air Quality Detector HCHO Formaldehyde PM2.5 PM10 TVOC Real-Time Monitor with Temperature and Humidity
Yrmaups CO2 Detector, Portable Handheld Air Quality Monitor with Temperature and Humidity Sensor, 3-in- Carbon Monoxide Tester for Home, Office, Car and RV, Indoor Air Quality Meter $21.99

$2199
current price $21.99Yrmaups CO2 Detector, Portable Handheld Air Quality Monitor with Temperature and Humidity Sensor, 3-in- Carbon Monoxide Tester for Home, Office, Car and RV, Indoor Air Quality Meter
Formaldehyde Detector for Household Professional Self-Test Indoor Air Quality Testing Formaldehyde Content RC3001 $11.39

$1139
current price $11.39Formaldehyde Detector for Household Professional Self-Test Indoor Air Quality Testing Formaldehyde Content RC3001
11 out of 5 Stars. 1 reviews
Air Quality Detector 5-In-1 For Smart Air Quality Monitor For Indoor 400-5000 PPM Carbon Dioxide Detector Home Improvement From $20.04

2 options
Available in additional 2 optionsFrom$2004
Air Quality Detector 5-In-1 For Smart Air Quality Monitor For Indoor 400-5000 PPM Carbon Dioxide Detector Home Improvement
Gas CO2 Detector Air Monitor Quality Tester Temperature Humidity Measuring PM2.5 $53.90

$5390
current price $53.90Gas CO2 Detector Air Monitor Quality Tester Temperature Humidity Measuring PM2.5
Reduced price Airthings Wave Mini Smart Indoor Air Quality Monitor Battery Operated with Mold-Risk Indication $37.04 Was $42.00

Now$3704
current price Now $37.04, Was $42.00$42.00
Airthings Wave Mini Smart Indoor Air Quality Monitor Battery Operated with Mold-Risk Indication
33.7 out of 5 Stars. 3 reviews
Desktop Radon Detector High-Accuracy Sensor for Home Use Radon Tester Air Quality Monitor Analyzer $96.20

$9620
current price $96.20Desktop Radon Detector High-Accuracy Sensor for Home Use Radon Tester Air Quality Monitor Analyzer
Intelligent CO2 Sensors Air Quality Detector Measurement Tool With Temperature& Humidity Display For Living Room Bedroom

Intelligent CO2 Sensors Air Quality Detector Measurement Tool With Temperature& Humidity Display For Living Room Bedroom
Portable Analyzer Multifunctional Intelligent O3 Meter Gas Detector Sensor Air Quality Pollution $74.31

$7431
current price $74.31Portable Analyzer Multifunctional Intelligent O3 Meter Gas Detector Sensor Air Quality Pollution
Clearance 3-in-1 Portable CO2 Meter, Handheld Air Quality Detector with Carbon Monoxide Sensor and Temperature Humidity Monitor for Home Office Car and Travel, 3.35x2.01x0.67in Was $25.88

3-in-1 Portable CO2 Meter, Handheld Air Quality Detector with Carbon Monoxide Sensor and Temperature Humidity Monitor for Home Office Car and Travel, 3.35x2.01x0.67in
Digital Portable Carbon Dioxide Detector with Alarm Mini Temperature & Humidity Meter CO2 Detector for Indoor,1 x Air Quality Detector 1 x Type-C charging cable,Black & White $26.49

$2649
current price $26.49Digital Portable Carbon Dioxide Detector with Alarm Mini Temperature & Humidity Meter CO2 Detector for Indoor,1 x Air Quality Detector 1 x Type-C charging cable,Black & White
Indoor Air Quality Monitor,CO2 Monitor/Temperature/Formaldehyde Detector/Humidity TVOC for Rooms,Grow Tents Black,1 x Air Quality Monitor,Black $14.35

$1435
current price $14.35Indoor Air Quality Monitor,CO2 Monitor/Temperature/Formaldehyde Detector/Humidity TVOC for Rooms,Grow Tents Black,1 x Air Quality Monitor,Black
Indoor Air Quality Monitor,CO2 Monitor/Temperature/Formaldehyde Detector TVOC for Rooms,Grow Tents with Bracket White,1 x Air Quality Monitor with bracket,White $16.29

$1629
current price $16.29Indoor Air Quality Monitor,CO2 Monitor/Temperature/Formaldehyde Detector TVOC for Rooms,Grow Tents with Bracket White,1 x Air Quality Monitor with bracket,White
14 out of 5 Stars. 1 reviews
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