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Shop the best prices on 8,072 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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1,089 - 1,120 of 3,200
14 in 1 Air Quality Monitor Tuya WIFI CO/CO2 Detector Real Time Monitoring BIG Display Home Air Test Kits APP Control B
$94.00 Save $45.00 RRP: $139.00
-02 Portable Gas Leak Detector 50000PPM Sound Light Alarm Combustible Natural Methane LPG Leak Det
$64.00 Save $5.00 RRP: $69.00
Ultrasonic Oxygen Sensor Module OCS-3RL 0-95.6% Range for Oxygen Chamber Low Oxygen Concentration E
$69.00 Save $5.00 RRP: $74.00
Gas Leakage Detector with Emergency Shut Off Solenoid Valves Natural/Liquefied Gas Alarm Sensor Monitor EU Plug
$27.95
Wifi Natural Gas Sensor Tuya Smart Alarm Gas Leakage Detector Fire Security Digital LCD Temperature Display
$32.95
Wifi Natural Gas Sensor Tuya Smart Alarm Gas Leakage Detector Digital LCD Temperature Display for Home Kitchen
$21.95
Oxygen Analyzer Professional Portable O2 Oxygen Concentration Meter Detector Flow Pressure Detection Meter Gas Detector
$189.00
4 in 1 Gas Detector CO HHS OO LEL Monitor Digital Handheld Carbon Monoxide Hydrogen Sulfide Air Quality Tester EU PLUG
$159.00
Tuya WiFi Smart Air Box Detector Air Quality Monitor Air Housekeeper Detects PM2.5, Formaldehyde, V
$43.95 Save $20.05 RRP: $64.00
Refrigeration Leak Detector Air Conditioning Refrigerant Fluorine Detection Dog Nose Car Fridge Le
$44.95 Save $9.05 RRP: $54.00
Refrigerant Leak Detector 0-1000PPM Air Conditioning HVAC Refrigerant Leak Detector HCFC HFO Tester
$54.00 Save $10.00 RRP: $64.00
Carbon Monoxide Detector,CO Detector 0-1000 PPM with Sound, Light,Vibration Alert for Travel,Home&I
$79.00 Save $10.00 RRP: $89.00
1 Piece Tvoc Pm2.5 Pm10 Multifunctional 7 In 1 Sensor Module Formaldehyde Infrared Co2 Air Detector
$119.00
Lcd Carbon Monoxide Co Detector Poisoning Gas Sensor Monitor Warning Alarm Set
$15.95
6000UV Halogen Leak Detector for Refrigerant Gas Air Conditioner Testing Tool
$69.00
24V Digital Gauge Cluster Panel Display RPM Level Oil Pressure Water Temp Voltage 7 Color Backlight for RV Boat
$289.00
12 in 1 Air Quality Monitor CO2 Monitor,Black
$47.95
Air Quality Monitor Indoor, Air Quality Detector, CO2 Monitor Black
$47.95
MQ137 Ammonia Gas Detection Sensor Module NH3 Gas Sensor Module
$19.95 Save $2.00 RRP: $21.95
Détecteur d'O3 portable coloré, charge USB, moniteur de pollution de l'air sensible pour les tests
$159.00 Save $40.00 RRP: $199.00
12V Gas Detector Sensor Alarm Propane Butane LPG Natural Motorhome Motorhome 1pcs
$31.95 Save $82.05 RRP: $114.00
3F Food Safety Detector Portable New in Food Nitrate Tester Fruits and Vegetables Meat Radiation Nitrate Detection
$169.00 Save $130.00 RRP: $299.00
Semiconductor CO2 Gas Sensor Carbon Dioxide Gas Sensor Air Quality Sensor Module UART Output JW01-CO2
$7.95 Save $4.00 RRP: $11.95
Natural Gas Detector High Sensitivity Dual Sensor Intelligent Detection CO Alarm Detector AC90‑240V EU Plug
$38.95 Save $11.00 RRP: $49.95
Air Quality Monitor Accurate Real Time Ceiling Wall Mounted Temp Humidity PM2.5 PM10 CO2 Formaldehyde TVOC Detector
$189.00 Save $50.00 RRP: $239.00
AD8361 Power Meter True RMS Detection Module AM Detector Magnitude Detector 0.1-2.5 GHz 3 Pieces
$27.95
SCD41 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature and Humidity in One Sensor
$42.95 Save $16.05 RRP: $59.00
Refrigerant & Combustible Gas-Leak Detector, PPM Freon Leak Detector
$59.00 Save $20.00 RRP: $79.00
UT336A Refrigerant Leak Detector Cfcs Hcfcs Hfcs Leakage Tester for Air Conditioning Automobile Refr
$99.00 Save $40.00 RRP: $139.00
Air Quality Detector for Monitoring PM2.5 with Sound Light Dual Alert
$74.00 Save $25.00 RRP: $99.00
Refrigerant leak detector GL77B
$59.00 Save $20.00 RRP: $79.00
Freon Leak Detector Halogen Gas Analyzer Air Conditioning Gas Detector Refrigerant Leak R134a CFCs H
$74.00 Save $25.00 RRP: $99.00