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Shop the best prices on 8,067 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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3,105 - 3,136 of 3,200
4 In 1 H2s/co/o2/ex Multi Gas Detector Handheld Portable Air Analyzer High Precision Toxic Harmful Gas Tester With Alarm Systerm
$469.00
2C012,13 in 1 Tuya WIFI Air Quality Detector CO2 (with 3 slave units)
$79.00 Save $10.00 RRP: $89.00
Air Quality Monitor 8 in 1 Real Time Color Screen Space Saving Widely Used CO2 Detector for TVOC HCHO PM2.5 PM1.0 PM10 Black
$79.00 Save $70.00 RRP: $149.00
Air Quality Monitor Co2 Meter Ndir Gas Analyzer Carbon Dioxide Meter Gas Detector Fine Dust Meter Pm2.5 Pm10 Hcho Tvoc Detector-xinhan
$469.00 Save $330.00 RRP: $799.00
Tuya Wifi Eight in One Indoor Air Quality Monitor Portable CO2 Monitor
$69.00
Tuya Wifi Air Quality Monitor CO2 Detector Formaldehyde VOC CO2 CH2O Temperature Humidity Detector
$29.95 Save $3.00 RRP: $32.95
Tuya WiFi 15-in-1 Air Quality Detector Household Portable PM0.3 PM1.0 PM2.5 PM10 CO CO2 Tester with
$41.95 Save $57.05 RRP: $99.00
CO2 Tester, CO2 Detectors CO2 Monitor with NDIR Sensor 400-5000ppm Temperature and Humidity Air Quality Detector for Indoor 70*80*35MM
$79.00 Save $210.00 RRP: $289.00
RM370 Carbon monox detector
$104.00 Save $125.00 RRP: $229.00
Handheld Combustible Gases Leak Detector Natural Gases Leakage Concentration Analyzer Meter Sound L
$31.95 Save $37.05 RRP: $69.00
5-In-1 Air Quality Monitor Home Air Quality Detector Pollution Tester Co/co2/hcho/aqi/tvoc Real-time Monitoring With Led Screen
$94.00
Pt02 Plus Wifi Air Quality Monitor Detects Pollen Tvoc Co Co2 Pm2.5 1.0 Temp Rh Iot Controller Rs48
$189.00
GN807 Combustible Gas Detector Alarm Digital Combustible Gas Detection 50-10000PPM Methane Flammable Gas Test Tool
$39.95 Save $19.05 RRP: $59.00
12V Gas Alarm Sensor LPG Propane Butane Leak Detector Waterproof LED Flash Sound Warning for RV Camping Marine Safety
$17.95 Save $7.00 RRP: $24.95
US Plug,4 in 1 Gas Monitor for O2,CO,H2S,Combustible Gas Tester, Gas Leak Detector with Sound,Light & Vibration Alarm
$139.00 Save $70.00 RRP: $209.00
US PLUG,Gas Monitor for O2, CO, H2S, Combustible Gas Detector,4 Gas Leak Detector with Sound,Light & Vibration Alarm
$149.00 Save $60.00 RRP: $209.00
US PLUG,Gas Monitor for O2,CO,H2S,Combustible Gas Tester,4 Gas Leak Detector with Sound,Light&Vibration Alarm
$149.00 Save $60.00 RRP: $209.00
10 in 1 Air Quality Monitor Detector CO 2 TVOC PM2.5 Detector Black
$34.95 Save $6.00 RRP: $40.95
Tuya 300m ME204R RF433 Gas Detector LED Display Portable Smart Home Device Gas Tank Meter LGP Tank Measure 1m/50kg (US)
$369.00 Save $180.00 RRP: $549.00
Applicable to 4-in-1 Gas Detector Carbon Monoxide Oxygen Toxic Hazardous Sewer Limited Space Air Concentration
$129.00 Save $50.00 RRP: $179.00
WIFI Natural GasDetector and Carbon Monoxide CO Detector,Combustible Gas Leak DetectorMonitor for Co,Lng,Lpg,Methane(US)
$38.95 Save $20.05 RRP: $59.00
Ozone Detector 3-in-1 Portable O3 /Temperature/Humidity Tester Air Quality Household O3 Monitor USB Charging Orange
$59.00 Save $25.00 RRP: $84.00
Refrigerant Leak Detector 0-1000PPM Air Conditioning HVAC Refrigerant Leak Detector CFC HFC HCFC HC HFO Tester ZL77B
$59.00 Save $25.00 RRP: $84.00
TPM-200A Carbon Monoxide Sensor Module Interference-Resistant High-Precision CO Air Quality Detection Sensor Module
$10.95 Save $4.00 RRP: $14.95
O2 Gas Detector Oxygen Detector Intelligent SENSOR AR8100 Oxygen Detector Rechargeable LCD O2 Gas Meter Oxygen Monitor
$159.00 Save $70.00 RRP: $229.00
BME680 Environmental Sensor Module STEMMA QT/Qwiic Interface Temperature/Humidity/Air Pressure/Gas Detection
$20.95 Save $10.00 RRP: $30.95
4 in 1 Gas Detector: CO H2S O2 LEL, Accurate Measurement, Alarm, Backlit Display
$179.00 Save $170.00 RRP: $349.00
Gas Leakage Detector with Emergency Shut Off Solenoid Valves Natural/Liquefied Gas Alarm Sensor Moni
$22.95
Leak Detector High Sensitivity R22 R32 R134a Refrigerant HVAC Air Conditioner Freon Gas Leak Temp T
$35.95 Save $7.00 RRP: $42.95
3 in 1 CO2 Meter Air Quality Monitor Handheld 5000Ppm CO2 Monitor Measurement Carbon Dioxide / De
$40.95 Save $18.05 RRP: $59.00
SGP40 Air Quality Sensor Module TVOC ECO2 Formaldehyde Carbon Dioxide Gas Detection for Air Quality
$24.95 Save $8.00 RRP: $32.95
5 in 1 Air Quality Detector Semiconductor Sensors HCHO TVOC CO2 Temperature Humidity Tester Air Mon
$29.95 Save $3.00 RRP: $32.95