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Shop the best prices on 7,914 great value gas detectors. Shopping for gas detectors is easy with Fruugo, with SALE discounts, offers and savings on Viewleaf, GreenZech, Habicare and more. Buy gas detectors online safely with Fruugo, with secure payment and fast shipping to Canada.

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2,945 - 2,976 of 3,200
[3-in-1] Carbon Monoxide Detector | Humidity | Temperature, Portable Co Gas Monitor with Lanyard, Air Quality Sensor for Outdoor Camping Travel RV Ca
$47.95 Save $91.05 RRP: $139.00
Methane Propane Gas Detector with LCD Display and EU Plug for Home Safety Monitoring
$39.95 Save $24.05 RRP: $64.00
3X HT66 Gas Leak Detector 50-1000PPM Sound Alarm Mini Household Handheld Combustible Natural Methane Gas Leak Detector
$89.00
Tuya Combustible Gas Detector Gas Alarm Gas Detection Sensor,A
$25.95 Save $18.00 RRP: $43.95
DM125C WIFI Desktop CO2 Quality Detector,Tuya WIFI Connection
$129.00 Save $80.00 RRP: $209.00
DR850 Portable Multi Gas Detector IP65 Waterproof Gas Leak Meter
$169.00 Save $120.00 RRP: $289.00
Ammonia Detector NH3 Gas Monitor with Temperature and Humidity, Rechargeable LCD Display for Industrial and Agricultural Use
$189.00 Save $100.00 RRP: $289.00
Semiconductor CO2 Gas Sensor Carbon Dioxide Gas Sensor Air Quality Sensor Module UART Output JW01-C
$9.95 Save $2.00 RRP: $11.95
Mini Smart WIFI Mini CO Detector Indoor Air Quality Monitor CO Tester
$38.95 Save $25.05 RRP: $64.00
SCD41 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature A
$36.95 Save $27.05 RRP: $64.00
Air Quality Monitor, Ammonia Test Meter 3.5 Inch LCD NH3 Alarm Device
$159.00 Save $100.00 RRP: $259.00
89465-BZ070 Oxygen Sensor O2 Sensor for
$22.95 Save $15.00 RRP: $37.95
Applicable to 4-in-1 Gas Detector Carbon Monoxide Oxygen Toxic Hazardous Sewer Limited Space Air Concentration
$119.00
4-in-1 Gas Detector, Toxic and Hazardous Gas Tester Portable Combustible Gas Detector and Alarm
$149.00
Air Quality Monitor Indoor, Air Quality Detector with Time Date Display and Alarm Clock, CO2 Monitor Black
$45.95 Save $13.05 RRP: $59.00
10 in 1 Air Quality Monitor HCHO TVOC PM2.5 PM10 CO CO2 Temperature&Humidity Tester Carbon Dioxide Detector White
$39.95 Save $12.00 RRP: $51.95
Halogen Leak Detector Air Conditioning Refrigerant Leak Detector HVAC R22 R410A R134A CFCs HCFC Freon Gas Tester
$43.95 Save $15.05 RRP: $59.00
Tuya WiFi 12 in 1 Air Quality Monitor Multifunction PM2.5 PM1O HCHO TVOC CO CO2 Screen Display Air Detector White
$48.95 Save $10.05 RRP: $59.00
K5C Mini Carbon Dioxide Detector CO Tester Air Quality Portable Monitor LED Screen USB Typc-C Charging Indoor A
$48.95 Save $10.05 RRP: $59.00
Tuya WiFi 12 in 1 Air Quality Monitor Multifunction PM2.5 PM1O HCHO TVOC CO CO2 Screen Display Air Detector Black
$45.95 Save $8.05 RRP: $54.00
BME688 Environmental Sensor BME688 Temperature and Humidity Atmospheric Pressure VOC Gas Detection Sensor Module
$47.95 Save $11.05 RRP: $59.00
Gas Leak Detector Combustible Propane Methane Leak Warning EU Plug Combustible Gas Alarm Sensor for Home Security
$14.95 Save $10.00 RRP: $24.95
Gas Monitor 4 in 1 CO H2S O2 LEL Accurate Measurement Sound Light Vibration Alarm Backlit Display Gas Detector
$159.00 Save $30.00 RRP: $189.00
LCD LPG LNG Coal Natural Gas Leak Security Alarm Sensor Warning Detector
$31.95 Save $10.00 RRP: $41.95
Air Quality Monitor & Formaldehyde Detector Habicare
$159.00
HD02 Leak Detector R22/R32/R134a Gas Detector Analyzer Rechargable Refrigerant Gas Air Conditioning Tester Tool
$36.95 Save $47.05 RRP: $84.00
3 in 1 CO2 Meter Air Quality Monitor Handheld 5000Ppm CO2 Monitor Measurement Carbon Dioxide / De
$50.95 Save $3.05 RRP: $54.00
NDIR CO2 Sensor Infrared Carbon Dioxide Sensor Module with Serial Port PWM Analog Output CO2 Gas De
$45.95 Save $13.05 RRP: $59.00
15-In-1 Tuya WIFI Rechargeable Household Digital Air Quality Detector CO2/CO/TVOC/HCHO/PM2.5/Temp/H
$47.95 Save $11.05 RRP: $59.00
Car Accessories Oxygen Sensor O2 Sensor for
$43.95
Tuya Combustible Gas Detector Gas Alarm Gas Detection Sensor,A
$23.95
Portable CO2 Monitor and Sensor with NDIR Technology, 3-in-1 Air Quality Detector for Travel and Environmental Testing
$94.00