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Shop the best prices on 8,780 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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3,169 - 3,200 of 3,200
MH-Z19 MH-Z19C IR Infrared CO2 Sensor Module Carbon Dioxide Gas Sensor NDIR Accessories
$19.95
Portable Ammonia Gas Detector,0-200 PPM Rechargeable Ammonia Gas Monitor,Digital Air Quality NH3 Gas Meter US Plug
$209.00
2.4G Wifi Natural Gas Sensor Combustible Smart LPG Gas Alarm Detector Leakage Sensor Wifi Temperature Detectors EU PLUG
$33.95 Save $14.00 RRP: $47.95
Wifi Natural Gas Sensor Tuya Smart Alarm Gas Leakage Detector Digital LCD Temperature Display for Home Kitchen
$17.95 Save $8.00 RRP: $25.95
TPM-200A Carbon Monoxide Sensor Module Interference-Resistant High-Precision CO Air Quality Detection Sensor Module
$9.95 Save $4.00 RRP: $13.95
Gas Leak Detector Portable Nature Gas Detectors Methane Hexane Propane Sniffer for Home/Outdoor Black Contains Battery
$17.95 Save $8.00 RRP: $25.95
WiFi Tuya App Function Kitchen Natural Gas Leak Alarm Sensor Temperature LCD Digital Display Sound Siren
$32.95
Portable Ozone Analyzer Multifunctional Intelligent O3 Ozone Meter Gas Detector Sensor Air Quality Pollution Monitor
$129.00
Natural Gas Detector Combustible Alarm 70db Alarm for Methane Propane Lng Ideal for Home and Kitchen Safety EU Plug
$23.95
4 in 1 CO CO2 Detector Alarm Temp Humidity Sensor HD LCD Display CO CO2 Temperature Humidity Detector for Indoor Outdoor
$69.00
Oxygen Analyzer Professional Portable O2 Oxygen Concentration Meter Detector 21%-95.6% O2 Meter Gas Detector EU Plug
$179.00
2X SCD41 Gas Sensor Module Detects CO2,Carbon Dioxide,Temperature and Humidity in One Sensor
$69.00
HABOTEST HT609 Pro Combustible Gas Detector Retractable 50-1000PPM Sound & Screen Alarm Flammable Natural Methane Gas Detector
$42.95
3 In 1 Portable Air Quality Monitor Wifi Co Detector With Time Weather Display Usb Powered
$199.00
Carbon Dioxide Co2 Hcho Detector Portable Air Quality Monitor Temperature Humidity Testerblack
$139.00
portable air quality detector multifunctional digital carbon dioxide monitor for home bedroom office
$40.95 Save $33.05 RRP: $74.00
Rc3563 Internal Resistance Detector Uses Four Wires (Clip)
$43.95
Upgrade M365 Pro Dashboard For Xiaomi M365 Scooter Bt Circuit Board W/screen Cover For Xiaomi M365 Scooter
$50.95
Multifunctional Air Quality Tester CO2 TVOC Meter Temperature Humidity Measuring Device
$89.00 Save $15.00 RRP: $104.00
Portable Household Gas Alarm Natural Gas Detector LCD Display Combustible Gas Alarm EU Plug
$59.00 Save $180.00 RRP: $239.00
MQ137 Ammonia Gas Detection Sensor Module NH3 Gas Sensor Module Household Appliance Accessories Analog TTL Level Output
$46.95 Save $182.05 RRP: $229.00
Tuya WIFI Natural Gas Sensor Combustible Household Smart LPG Gas Alarm Detector Leakage Sensor EU Plug
$25.95 Save $17.00 RRP: $42.95
WiFi Tuya App Function Kitchen Natural Gas Leak Alarm Sensor Temperature LCD Digital Display Sound Siren
$30.95 Save $20.00 RRP: $50.95
LCD Display Nuclears Radiation Detector Multifunctional Radioactive Geigers Counter for Home
$94.00 Save $135.00 RRP: $229.00
Tuya WIFI Combustible Gas Detector Gas Alarm Gas Detection Sensor,B
$33.95
SCD41 Gas Sensor Module COO Sensor Module 2-in-1 Temperature and Humidity Sensor 2.4-5.5V with I2C Communication
$35.95
MG811 Carbon Dioxide Module: CO2 Gas Concentration Detection Module,Voltage Type,0-2V Voltage Output,MG811 Sensor Module
$38.95
WJL-6000 Freon Leak Detector Halogen Leak Detector R22 R410A R134A R1234YF Refrigerant Gas HVAC Air Conditioner Tester Tool
$89.00 Save $15.00 RRP: $104.00
Nitrogen Gas Detector 0100% Vol with Triple Alarm, Resolution, Data Logging for Industrial Use
$899.00 Save $450.00 RRP: $1,349.00
Indoor Air Quality Monitor | Precision CO2 Measurement Device for Grow Tents and Bedrooms, Real-Time Monitoring
$54.00 Save $25.00 RRP: $79.00
Co2 Air Detector Carbon Dioxide Detector Agricultural Production Greenhouse Co2 Monitor White
$26.95 Save $17.00 RRP: $43.95
Fixed Formaldehyde Gas Detector CH2O Monitor 0100ppm 24V 420mA with Alarm Dual Contact Control
$189.00 Save $90.00 RRP: $279.00