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Shop the best prices on 7,621 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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33 - 64 of 7,621
Handheld Carbon Monoxide Meter, 80Db CO Leak Detector,CO Gas Analyzer
$41.95
Leak Detector High Sensitivity R22 R32 R134a Refrigerant HVAC Air Conditioner Freon Gas Leak Temp
$47.95 Save $6.05 RRP: $54.00
Smoke Alarm Plug-in Type Gas Alarm Combustible Gas Leak Detector
$31.95
Handheld Combustible Gases Leak Detector Natural Gases Leakage Tester
$79.00
Wifi Natural Gas-sensor Household Intelligent Combustible Gas-alarm Detector
$46.95
Brand New Handheld Portable Automotive Mini Combustible Gas Detector
$49.00
Portable Air Quality Monitor Indoor Co2 Detector 5 In 1 Tester
$48.95
Wifi Smart Co2 Detector Portable Air Quality Monitor Co2 Alarm Meter
$84.00
Bt Digital Display Ndir Sensor Carbon Dioxide Detector
$94.00
Air Quality Monitor Portable Carbon Dioxide Detector 3-in-1 Meter
$34.95
HT66 Gas Leak Detector 50-1000PPM Sound Alarm Mini Household Handheld Combustible Natural Methane G
$28.95
Air Quality Monitor Indoor, Air Quality Detector, CO2 Monitor Black
$40.95
ME201W Remote Tank Level Detection Smartphone Full Water Alarm System Controller for Water Level Sensor EU Plug
$84.00
Household Air Quality Detector Multifunctional CO2 Tester with Carbon Dioxide TVOC HCHO Value Electricity Quantity Temperature Humidity Display Functi
$119.00 Save $60.00 RRP: $179.00
3 in 1 CO2 Meter Air Quality Monitor Handheld 5000Ppm CO2 Monitor Measurement Carbon Dioxide/De undefined
$74.00 Save $65.00 RRP: $139.00
CGD05A Combustible Gas Detector Meter Screen Charging PPM Unit Triple Alarm Natural Gas Leak Meter
$89.00
LCD Backlight Display pH Meter PH-3012B Quality Purity pH Meter Digital Water Quality Tester (shipped without battery)
$74.00 Save $15.00 RRP: $89.00
K2 Emf Gauss Meter Radiation Detector Portable Emf Magnetic Field Monitor 5 Led Gauss Meter
$74.00 Save $25.00 RRP: $99.00
Gas Leak Standalone Detector Sensor
$64.00 Save $25.00 RRP: $89.00
Fyearfly PM2.5 Monitor, Multifunction Indoor Air Quality Tester PM1.0 PM2.5 PM10 HCHO CO2 Temp Humidity Sensor Communication Version
$129.00 Save $20.00 RRP: $149.00
12v Motorcycle Voltage Regulator Rectifier For Yamaha Xv 400 535 700 750 1100 Xv400 Xv535 Xv700 Xv750 Xv1100 Virago Vmx12 V-max
$79.00 Save $25.00 RRP: $104.00
5 in 1 Travel Portable Carbon Monoxide Detector with Integrated Mini CO Meter Altitude Temperature
$59.00 Save $5.00 RRP: $64.00
-6000 Freon Leak Detector Halogen Leak Detector Refrigerant Gas HVAC R22 R410A R134A R1234YF CFCs H
$24.95 Save $11.00 RRP: $35.95
AC100-260V Automatic Water Level Controller XKC C352 3P Non Contact Liquid Level Sensor for Tank Water Automatic Filling
$59.00
2 in 1 PH TDS Meter Tester Water Quality Monitor Online Acidity Monitor Analyzers Tester for Aquarium EU Plug
$59.00
ME201W Remote Tank Level Detection Smartphone Full Water Alarm System Controller for Water Level Sensor EU Plug
$79.00
SGP40 VOC Sensor,Digital SGP40 VOC (Volatile Organic Compounds) Gas Sensor, I2C Bus
$27.95 Save $7.00 RRP: $34.95
6in1 Digital Air Quality Monitor Detector Formaldehyde TVOC PM2.5 /CO2 Meter Temperature Humidity T
$33.95 Save $5.00 RRP: $38.95
Halogen Leak Detector Air Conditioning Refrigerant Leak Detector HVAC R22 R410A R134A CFCs HCFC Freo
$39.95 Save $34.05 RRP: $74.00
Carbon Dioxide CO2 Detector Formaldehyde Detector Air Quality Monitor PM2.5 PM10 For Biochemical Medicine Agriculture
$209.00 Save $100.00 RRP: $309.00
CO2 Carbon Dioxide Detector for Air Quality, Temperature and Humidity, Quick CO2 Measurement, White
$31.95 Save $87.05 RRP: $119.00
Tuya Wifi Air Quality Monitor CO2 Detector Formaldehyde VOC CO2 CH2O Temperature Humidity Detector
$30.95