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Shop the best prices on 5,194 great value gas detectors. Shopping for gas detectors is easy with Fruugo, with SALE discounts, offers and savings on Viewleaf, Generic1, GreenZech and more. Buy gas detectors online safely with Fruugo, with secure payment and fast shipping to Canada.

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3,105 - 3,136 of 3,200
12V Gas Detector Sensor Alarm Propane Butane LPG Natural Motor for Home Camper
From $59.00
Combustible Gas Leak Detector Meter Test for Natural Butane Paint Thinner Flammable Gas Analyzer MS6310 Gas Detector
From $199.00
Formaldehyde detector Detector Household Decoration Occupancy Gas Detection Indoor Harmful
From $49.95
Tuya CO2 Dioxide Detector WIFI CO2 Monitor Meter Co2 Sensor Indoor Agricultural Greenhouse Air Humiture Sensor Monitor
From $64.00
Tuya WIFI Natural Gas Sensor Combustible Household Smart LPG Gas Alarm Detector Leakage Sensor EU Plug
From $24.95
Gas Leak Detector Combustible Propane Butane Methane Leak Warning Combustible Gas Alarm Sensor for Home Security EU Plug
From $11.95
Auto Air Conditioning Leak Kit, Refrigerant Leak Detector for Car AC
From $179.00
4 in 1 Multi Gas Detector with RealTime Monitoring, Fast Sensor Response for Industrial Safety
From $199.00
SCD40 Sensor Module Detects CO2 Carbon Dioxide Temperature and Humidity 2 in 1 Sensor
From $44.95
89465-02080 Oxygen Sensor O2 Sensor for
From $22.95
5 In 1 Air Quality Monitor Tvoc Hcho Temperature Humidity Co2 Meter, Usb Rechargeable Co2 Detector White
From $89.00
Air Quality Monitor, Ammonia Test Meter 3.5 Inch LCD NH3 Concentration Tester Ammonia Detector Ammonia Alarm Device
From $309.00
SCD30 Module Air Quality Gas Sensor for CO2 and RH/T Measurement of Carbon Dioxide Gas Sensors
From $37.95
SCD40 Gas Sensor Detects CO2 Carbon Dioxide Temperature and Humidity in One Sensor I2C Communication
From $37.95
ZE08-CH2O Formaldehyde Sensor with Serial Port Output for Accurate Concentration Measurement
From $27.95
Gas Leak Detector 0–50000ppm Habicare
From $69.00
Water Leak Detector-flood Detector Water Alarm Wireless Water Detectors With Sound And Light Alarm,
From $54.00
Ozone Gas Detection Module Portable O3 Low Concentration Gas Sensor Module Tester
From $39.95
Nitrogen Dioxide Detector NO2 Gas Meter 0‑50ppm 3.5in TFT Color Screen Handheld Portable Equipment
From $999.00
MCU‑811 CCS811 Carbon Dioxide Monoxide Numerical Gas Sensor Air Quality Gas Sensor
From $31.95
Digital Formaldehyde Detector Hygrothermograph Alarm Clock Carbon Dioxide Tester Air Quality Monitor Gas Analyzer
From $104.00
Gas Leak Detector O2 H2S CO LEL, Digital LCD Multi Gas Detector with Real Time Alarms for Home RV
From $449.00
SCD41 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature B
From $28.95
2X SCD41 Gas Sensor Module Detects CO2,Carbon Dioxide,Temperature and Humidity in One Sensor
From $79.00
WiFi 6-in-1 Indoor Air Quality Monitor HCHO TVOC CO 2 CO PM10 PM2.5 Meter Gases Detecting Intelligent White
From $32.95
6 in 1 PM2.5 PM10 HCHO TVOC CO CO2 Air Quality Detector CO CO2 Formaldehyde Monitor Home Office Air Quality Tester,Black
From $23.95
New Digital Alcohol Tester Sound and Light Alarm Traffic Home Investigation Alcohol Tester LCD Display Police Breathalyz
From $20.95
MH Z19B Infrared CO2 Sensor for CO2 Monitor MH Z19B 5000PPM MH-Z19B NDIR Gas Sensor CO2 Gas Sensor MH Z19
From $59.00
NDIR CO2 Carbon Dioxide Air Gas Sensor Module Infrared IR 400-5000ppm for CO2 Monitor Pin Type
From $17.95
MQ131 High Concentration Ozone Sensor Gas Sensor Module for Ozone High Concentration Analog TTL Level Output 10-1000PPM
From $19.95
MQ131 Ozone Sensor Module for Accurate Ozone Gas Detection and Monitoring
From $30.95
ZE08-CH2O Formaldehyde Sensor with Serial Port Output for Accurate Concentration Measurement
From $17.95