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Shop the best prices on 7,786 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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2,913 - 2,944 of 7,786
Multi Gas Detector Gas Meter O2 H2S CO LEL 4 in 1 Oxygen Hydrogen Sulfide Carbon Monoxide Combustibl
$159.00 Save $130.00 RRP: $289.00
HT100 LED Light NOn contact Test Pen AC Voltage Testing Detector 0~40°C
$28.95 Save $17.00 RRP: $45.95
Refrigerant & Combustible Gas-Leak Detector, PPM Freon Leak Detector with Loud Alarm, for R134A R41
$48.95 Save $5.05 RRP: $54.00
Oxygen Sensor AO-02 Gas Detector Compatible with AO2 AA428-210 AO2PTB-18.10
$74.00 Save $5.00 RRP: $79.00
Refrigerant Leak Detector 0-1000PPM Air Conditioning HVAC Refrigerant Leak Detector CFC HFC HCFC HC HFO Tester ZL77B
$59.00 Save $35.00 RRP: $94.00
Water Leak Detector-flood Detector Water Alarm Wireless Water Detectors With Sound And Light Alarm, White
$54.00 Save $25.00 RRP: $79.00
Portable Gas Leak Detector,hand-held Natural Gas Detector,high Sensitivity,with Lcd Display
$24.95 Save $25.00 RRP: $49.95
BME680 Environmental Sensor BME680 Temperature and Humidity Atmospheric Pressure VOC Gas Detection Sensor Module
$25.95 Save $12.00 RRP: $37.95
5 in 1 Air Quality Monitor TVOC HCHO Temperature Humidity CO2 Meter, USB Rechargeable CO2 Detector White
$20.95 Save $18.00 RRP: $38.95
Air Quality Monitor 5 in 1 Air Quality Detector C02 Detector HCHO TVOC Tester LCD Temperature Humid
$17.95 Save $41.05 RRP: $59.00
Indoor Air Quality Monitor,CO2 Monitor/Temperature/Formaldehyde Detector TVOC for Rooms,Grow Tents
$19.95 Save $39.05 RRP: $59.00
Indoor Air Quality Monitor,CO2 Monitor/Temperature/Formaldehyde Detector TVOC for Rooms,Grow Tents
$19.95 Save $39.05 RRP: $59.00
ZHEBAO Air Quality Tester, Air Quality Monitor Indoor,(HCHO) Formaldehyde Detector,Sensor, Detect &
$20.95 Save $38.05 RRP: $59.00
5 in 1 Air Quality Monitor TVOC HCHO Temperature Humidity CO2 Meter, USB Rechargeable CO2 Detector
$34.95 Save $19.05 RRP: $54.00
Gas Leak Detector Portable Combustible Gas Analyzer with LCD Backlit Display and Alarm
$46.95
UT336A Refrigerant Leak Detector,Refrigerant Type Refrigeration Industry Negative Electronic Leak D
$129.00 Save $60.00 RRP: $189.00
Portable Continuous Quantitative Analysis Ammonia Gas Hold 9000B Detector 0-100ppm Rechargeable with
$389.00 Save $185.00 RRP: $574.00
SW-743A Refrigerant Leak Detector High Sensitivity LCD Display DC4.5V Freon Tester for AC Car Fridge
$54.00 Save $25.00 RRP: $79.00
Oxygen Sensor AO-02 Gas Detector Compatible with AO2 AA428-210 AO2PTB-18.10 2pcs
$64.00 Save $30.00 RRP: $94.00
Co2 Detector Monitor, Co2 Carbon Dioxide Air Quality Sensor, Air Quality Sensor With Usb Cable - Temperature And Humidity Detector - For Home / Office
$27.95 Save $8.00 RRP: $35.95
Propane Tank Adapter, Propane Tank Valve, Propane Hose Adapter Brass Solid Universal Fit(1pcs)
$22.95 Save $17.00 RRP: $39.95
8 Self-adhesive Handles With 16 Double-sided Adhesive Tapes For Doors, Windows, Drawers, Cabinets, Glass Doors, Black And White
$39.95 Save $14.05 RRP: $54.00
Wifi Natural Gas Sensor Combustible Household Smart Gas Alarm Detector Leakage Sensor Wifi Temperat
$34.95
-Z19 -Z19E IR Infrared CO2 Sensor Module Carbon Dioxide Gas Sensor NDIR for CO2 Monitor 400-5000Ppm
$29.95
Tuya Zigbee Smart Air Quality Monitor CO2 Meter Carbon Dioxide Detector Voc Formaldehyde Auto Alarm
$33.95
3 in 1 CO2 Meter Air Quality Monitor Handheld 5000Ppm CO2 Monitor Measurement Carbon Dioxide / De
$37.95
Gas Leak Detector Portable Nature Gas Detectors Methane Hexane Propane Sniffer for Home/Outdoor Bla
$23.95
SCD40 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature and Humidity 2 in 1 Sensor
$32.95
Tuya WiFi 15 in 1 Air Quality Detector Household Portable PM0.3 PM1.0 PM2.5 PM10 CO CO2 TVOC HCHO T
$59.00
Halogen Leak Detector Air Conditioning Refrigerant Leak Detector HVAC R22 R410A R134A CFCs HCFC Fre
$49.95
NDIR CO2 Sensor Infrared Carbon Dioxide Sensor Module with Serial Port PWM Analog Output CO2 Gas De
$46.95 Save $2.00 RRP: $48.95
Indoor CO2 Monitor Temperature Humidity Air Quality Detector Monitor
$74.00 Save $95.00 RRP: $169.00