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Shop the best prices on 7,831 great value gas detectors. Shopping for gas detectors is easy with Fruugo, with SALE discounts, offers and savings on Viewleaf, Other, GreenZech and more. Buy gas detectors online safely with Fruugo, with secure payment and fast shipping to Canada.

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1,441 - 1,472 of 7,831
Indoor Air Quality Monitor,CO2 Monitor/Temperature Black
$20.95 Save $12.00 RRP: $32.95
Indoor Air Quality Monitor,CO2 Monitor/Temperature White
$20.95 Save $12.00 RRP: $32.95
SCD40 Gas Sensor Module 2.4-5.5V Detects I2C Communication
$46.95 Save $27.05 RRP: $74.00
Air Quality Detector USB Multifunctional Automatic Display White
$20.95 Save $12.00 RRP: $32.95
Refrigerant leak detector ZL77B
$52.95 Save $31.05 RRP: $84.00
-6000UV Halogen Leak Detector Freon Leak Detector R22 R410A R134A
$32.95 Save $20.00 RRP: $52.95
Tuya Smart Oxygen Concentration Air Detector CO Meter
$99.00 Save $60.00 RRP: $159.00
Car Accessories Oxygen Sensor O2 Sensor for
$32.95 Save $20.00 RRP: $52.95
-6000 Freon Leak Detector Refrigerant Gas HVAC R22 R410A Detector
$27.95 Save $16.00 RRP: $43.95
Tuya WiFi Air Quality Monitor CO2 Carbon Dioxide Meter
$64.00 Save $40.00 RRP: $104.00
Oxygen Hydrogen Sulfide Carbon Monoxide Combustible Gas Leak Detector
$139.00 Save $80.00 RRP: $219.00
Tuya Smart WiFi Oxygen Concentration Air Detector B
$119.00 Save $60.00 RRP: $179.00
HLW-100 4-in-1 Air Quality Detector Formaldehyde CO2 PM2.5 PM10
$46.95 Save $27.05 RRP: $74.00
Portable Radon Detector Digital Domestic Radon Monitor Gas Monitoring
$159.00 Save $100.00 RRP: $259.00
Halogen Leak Detector Air Conditioning Refrigerant Leak Detector
$42.95 Save $26.05 RRP: $69.00
Oxygen Detector with Pump Suction O2 Meter
$89.00 Save $60.00 RRP: $149.00
5V Air Quality Detector Full Color Large Screen Indoor Pollution Tester for CO CO2 HCHO TVOC Gas Detector
$69.00 Save $20.00 RRP: $89.00
Indoor Air Quality Monitor Co2 Carbon Dioxide Detector TVOC Air Temperature Humidity Quality Detector Black
$64.00 Save $20.00 RRP: $84.00
Portable Gas Leakage Alarm Combustible Gas Detector for Petroleum Methane 3000PPM AC90‑240V US Plug
$43.95 Save $15.05 RRP: $59.00
RF Detector Module Discharge Board Envelope Demodulation AM 0.1-3200MHz High Sensitivity
$13.95 Save $4.00 RRP: $17.95
CO2 Detector Carbon Dioxide Monitor Infrared Air Quality Monitor Sensor Detector with Temperature Humidity Detection Black
$69.00 Save $20.00 RRP: $89.00
CO Gas Detector 20000PPM High Sensitivity Stable Quick Detecting High Temperature Resistant CO Gas Leak Detector
$23.95 Save $8.00 RRP: $31.95
HT61 Combustible Gas Detector Portable Methane Tester Mini Gas Leakage Alarm Analyzer
$38.95 Save $12.00 RRP: $50.95
Gas Sensor Module Accurate Measurement Air Quality Sensor for Formaldehyde Benzene 5V
$23.95 Save $7.00 RRP: $30.95
Air Quality Monitor White Semiconductor High Resolution Adjustable Brightness CO2 Detection Sensor
$54.00 Save $30.00 RRP: $84.00
Carbon Dioxide Controller Single Channel Split Probe CO2 Monitor CO2 Pressure Reducer Valve for Greenhouse EU Plug A
$249.00
7 in 1 Emergency Survival Whistle LED Light Thermometer Compass Multi Function Whistle for Hiking Climbing Orange
$15.95 Save $5.00 RRP: $20.95
SGP41 VOC Sensor Module Dual Gas Environment Detection Industrial Wide Temperature Range STEMMA QT/Qwiic Interface
$16.95 Save $8.00 RRP: $24.95
Tuya ZigBee Gas Leak Detector Smart Alarm Sensor Combustible Gas Leakage Alarm for Home Security APP Remote Control
$38.95 Save $20.05 RRP: $59.00
CO2 Detector, Indoor Air Quality Monitor, 2in1 Carbon Dioxide Detector Air Quality Monitor, TVOC Meter,for Office Home
$34.95 Save $6.00 RRP: $40.95
Handheld Combustible Gases Leak Detector Natural Gases Leakage Concentration Analyzer Meter Sound Light ZL73B Charging
$42.95 Save $11.05 RRP: $54.00
6in1 Digital Air Quality Monitor Detector Formaldehyde TVOC Black
$31.95 Save $8.00 RRP: $39.95