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Shop the best prices on 7,401 great value gas detectors. Shopping for gas detectors is easy with Fruugo, with SALE discounts, offers and savings on Viewleaf, GreenZech, Other and more. Buy gas detectors online safely with Fruugo, with secure payment and fast shipping to Canada.

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7,233 - 7,264 of 7,401
Leak Detector, Halon Leak Detector, Refrt Gas Detector, Suitable
$84.00 Save $25.00 RRP: $109.00
Portable Industry H2/O3/CO/PH3/CO2/H2S/NH3/O2/NO2/NO/EX/CH4 Gas Detector Combustible Gas Alarm detetcor USB charge 0-100%LEL
$459.00 Save $265.00 RRP: $724.00
Portable Industry H2/O3/CO/PH3/CO2/H2S/NH3/O2/NO2/NO/EX/CH4 Gas Detector Combustible Gas Alarm detetcor USB charge 0-100%LEL
$289.00 Save $160.00 RRP: $449.00
PM2.5 Air Quality Detection Sensor
$34.95
HABOTEST HT609 Gas Leak Detector Combustible Gas Detector with LCD Display ble and Visual Alarm Ambient Temperature and Humidity Methane Natural
$69.00 Save $15.00 RRP: $84.00
WX YQ-02 Oxygen Inhaler Pressure Regulator Oxygen Meter G5/8-14 Male Thread
$89.00 Save $20.00 RRP: $109.00
WIFI Infrared CO2 Monitor Carbon Dioxide Monitor NDIR Sensor Air Quality Monitor Carbon Dioxide Det
$79.00 Save $25.00 RRP: $104.00
Air Quality Monitors, 10 to 50 Degree Gas Analyzers, Red Semiconductor Detectors for Flammable Gases, Gas Analyzer Meter
$84.00 Save $45.00 RRP: $129.00
ST8310A Color Screen Display Carbon Dioxide Detector Multifunctional 80,000 Data Air Quality Meter for Outdoor
$309.00 Save $20.00 RRP: $329.00
Radon Detector Monitor the Average Value of Air Radon Concentration Gas Detector Analyzing Tool Rado
$309.00 Save $315.00 RRP: $624.00
Oxygen Sensor AO-02 Gas Detector Compatible with AO2 AA428-210 AO2PTB-18.10
$69.00 Save $30.00 RRP: $99.00
20-In-1 Tuya WIFI Air Quality Detector CO/CO2/TVOC/HCHO/PM2.5/PM1.0/PM10/Temp/Humidity 5Pcs Subunits
$169.00
Air Quality Detector Monitor Indoor Tester Carbon Dioxide Sensor Wall-Mounted Co2 Detector Carbon Dioxide Monitor
$129.00
WiFi Smart Air Quality Monitor CO2 Meter TVOC HCHO PM2.5 Tester Digital CO2 Sensor Formaldehyde Gas Detector Tuya APP A
$79.00
LXS20E 1/2 LiquidSealed Water Meter Rotating Wing Dry Type Water Meter for Home
$94.00 Save $15.00 RRP: $109.00
2025 Latest Model Carbon Dioxide Detector CO2 Detector Carbon Dioxide Concentration Three-in-One
$79.00 Save $70.00 RRP: $149.00
CO2 Detector Portable Battery Operated Temperature Humidity Meter Air Quality Monitor Infrared Smart WiFi Sensor White
$119.00 Save $20.00 RRP: $139.00
Smart Bluetooth Dissolved Oxygen Meter, Portable 0.0-30Mg/L Dissolved Oxygen Meter Range, Dissolved Edition
$139.00 Save $90.00 RRP: $229.00
Professional Smart Sensor St8990 Monitor Rechargeable 4in1 O₂ Lel Co H₂s Gas Detector Tester Sensor With Backlight Alarm
$289.00
6 In 1 Pm2.5 Pm10 Hcho Tvoc Detector Co Co2 Formaldehyde Monitor Home Office Air Quality Tester,white
$209.00
Portable Ozone Analyzer Multifunctional Intelligent O3 Ozone Meter Gas Detector Sensor Quality Poll
$139.00
AC Leak Detector Set Refrigerant Leak Detector for Air Conditioners Portable Tester for Car AC Maintenance
$84.00 Save $45.00 RRP: $129.00
Air Quality Monitor Air Detector Tester Precision Safety Measurement Device for Carbon Dioxide Monitoring in Grow Tents and Bedrooms
$69.00 Save $35.00 RRP: $104.00
DR850 4 in 1 Portable Multi Gas Detector IP65 Waterproof Gas Leak Meter for O2 / CO / H2S / COMB
$199.00
Multifunctional Air Detectors, Pollen/co/co2/tvoc/pm2.5/pm1.0/humidity/temperature Carbon Monoxide
$389.00 Save $560.00 RRP: $949.00
3 in 1 Carbon Dioxide Detector Air Quality Monitor Temperature Humidity Air Analyzer 2pcs for CO2 Di
$79.00 Save $100.00 RRP: $179.00
Air quality monitor, multifunctional portable carbon dioxide monitor, indoor temperature and humidit
$429.00 Save $470.00 RRP: $899.00
Tuya 9-in-1 Wifi Air Quality Monitor Co2 Gas Tester
$199.00 Save $270.00 RRP: $469.00
Wifi Tuya Smart Co2 Detector 3 In 1 Carbon Dioxide Detector Air Quality Monitor Temperature Humidity
$104.00 Save $45.00 RRP: $149.00
SCD40 Gas Sensor Module Detector CO2 Carbon Dioxide Temperature and Humidity Sensor I2C Communication Gas Sensor Module
$64.00
Naiwang 6 In 1 Pm2.5 Pm10 Hcho Tvoc Co Co2 Air Quality Detector Co Carbon Dioxide Formaldehyde Monitor Lcd Large Screen Display
$139.00 Save $70.00 RRP: $209.00
HALOG IC Halogen Gas Detector for HVAC Professionals
$69.00 Save $30.00 RRP: $99.00