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Shop the best prices on 7,782 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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2,497 - 2,528 of 7,782
5-in-1 Air Quality Detector with Stand USB Type-C Multifunctional Automatic Display Portable CO2,HCHO,TVOC Tester Black
$48.95 Save $35.05 RRP: $84.00
Zigbee/Tuya WIFI Smart Air Box Carbon Dioxide Detector CO2 Gas Sensor
$64.00 Save $45.00 RRP: $109.00
Oxygen Hydrogen Sulfide Carbon Monoxide Combustible Gas Leak Detector
$159.00 Save $110.00 RRP: $269.00
Personal Dosimeter X γ β-Rays Detector Radioactive Tester Alarm-White
$84.00 Save $55.00 RRP: $139.00
HD02 Leak Detector R22/R32/R134a Gas Detector Analyzer Rechargable Refrigerant Gas Air Conditioning
$48.95 Save $30.05 RRP: $79.00
MT03 Air Quality Monitor with Stand CO2 Temperature Humidity Tester CO2 Detector Carbon Dioxide Detector Black
$27.95 Save $18.00 RRP: $45.95
Gas Handheld Gas Detecting Apparatus Portable, Compact, Battery-Powered, LCD Display unbrand
$89.00 Save $30.00 RRP: $119.00
WiFi Smart Air Quality Monitor CO2 Meter TVOC HCHO PM2.5 Tester Digital CO2 Sensor Formaldehyde Gas Detector Tuya APP B
$69.00 Save $25.00 RRP: $94.00
CO2 Carbon Dioxide Detector for Air Quality, Temperature and Humidity, Quick CO2 Measurement, White
$31.95 Save $87.05 RRP: $119.00
Refrigerant & Combustible Gas-Leak Detector, PPM Freon Leak Detector with Loud Alarm, for R134A R41
$48.95 Save $5.05 RRP: $54.00
MICS-6814 Gas Sensor Carbon Monoxide CO NO2 NH3 Nitrogen Oxygen
$35.95 Save $4.00 RRP: $39.95
LPG Gas Leak Alarm de Gas Sensor Alarm Combustible Gas Leak Detector for Home/Workplace/Travel
$21.95 Save $4.00 RRP: $25.95
Digital Natural Gas Detector, Home Gas Alarm, Gas Leak Detector, High Sensitivity LPG, LNG, Natural Coal Leak Detection, Home/Kitchen Alarm Monitor
$29.95 Save $79.05 RRP: $109.00
Hay Moisture Tester, with Probe & Backlight LCD Display for Hay, Forage Grass, Alfalfa and Other Ha
$74.00 Save $10.00 RRP: $84.00
Formaldehyde Sensor ZE08-CH2O Serial Port Output Formaldehyde Concentration Measurement Has Been Calibrated Module
$17.95
Digital Co2 Meter Gas Detector Co2 Sensor Air Quality Monitor Formaldehyde Tvoc Carbon Dioxide Wireless App Air Analyzer
$12.95 Save $3.00 RRP: $15.95
Gas Detector With Digital Display Outdoor Sampling Pump For Flammable Gases Oxygen CO H2S External Pump Without Display
$89.00 Save $50.00 RRP: $139.00
Combustible Leak Detector AS8800L Visual Leakage Indicator And Leak Location Alarm Meter Tester
$159.00 Save $80.00 RRP: $239.00
Multipurpose Halide Detectors With Adjustable Sensitivity Fast Response For Refrigerants Leak Testing In HVAC Use
$149.00 Save $70.00 RRP: $219.00
0-1000PPM HVAC Leak Detector ZL77B Model With Light And Alarm, AC Sniffer For CFCs/HCFCS
$159.00 Save $70.00 RRP: $229.00
Leak Detector High Sensitivity Leak Tester With Sound And Light Alarm Portable Leak Analyzers
$119.00 Save $60.00 RRP: $179.00
Fuel Gauge Adapter, Brass, Gas Detector Connection, Gas Level Indicator, Cylinder Leak Detector, Hose Adapter
$41.95 Save $22.05 RRP: $64.00
For Leak Detector
$48.95
5V Gas Monitor Meter USB Handheld Red with Color Screen Portable Freon Detector for Chemical Industry Refrigerant
$249.00 Save $70.00 RRP: $319.00
Gas Leak Detector, 010000 PPM CH4 Flammable Gas Sensor Alarm Tester (Digital Display)
$2,199.00 Save $1,100.00 RRP: $3,299.00
natural Gas Detector and Carbon Monoxide Detector, Plug in Gas Leak Detector for Home, Kitchen, Combustible Gas Leak Detector Monitor for CO, LNG, LPG Chronus
$74.00
CO2 Detector with Infrared Sensor, Portable Air Quality Monitor for Home, Car, Gym, Room Temperature and Humidity
$49.95 Save $24.05 RRP: $74.00
Carbon Dioxide Sensor Module MG811 with 0-2V Analog Output for Embedded System Air Quality Detection
$59.00 Save $30.00 RRP: $89.00
Handheld Oxygen Air Quality Monitor High Precision Temperature Humidity O3 Sensor Gas Detector Indoor O3 Quality Monitor
$89.00 Save $50.00 RRP: $139.00
CO2 Detector Indoor Air Quality Monitor with Temperature and Humidity Sensor for Home, Office, Car, Gym
$49.95 Save $24.05 RRP: $74.00
WJL-6000 Freon Leak Detector Halogen Leak Detector R22 R410A R134A R1234YF Refrigerant Gas HVAC Air Conditioner Tester Tool
$139.00 Save $30.00 RRP: $169.00
SMART SENSOR Ammonia Detector Ammonia Gas Meter Digital Portable Automotive Ammonia Gas Tester Monitor NH3 Detector
$429.00 Save $145.00 RRP: $574.00