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Shop the best prices on 4,195 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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1,857 - 1,888 of 3,200
Tuya Gas Leak Sensor Digital Display Propane Detector Remote Control Smart WiFi Gas Leak Detector compatible with Gas Biogas Methane
From $54.00
Security Natural Gas Leakage Detector Digital LED Fire Sensing Biogas Leak Detector Temperature Display Wifi Alarm Gas Alarm
From $42.95
Portable Gas Leak Detector Natural Gas Detector 50-1000 ppm Methane Combustible Gas Detector With Audible And Visual Alarm
From $41.95
NAP-100AD Industrial High-Temperature Combustible Gas Sensor Catalytic Combustion Type Sensor Repla
From $99.00
Tuya ZigBee Gas Leak Detector Smart Alarm Sensor Combustible Gas Leakage Alarm for Home Security APP Remote Control
From $49.95
Household Combustible Gas Leakage Sensor Detector Liquefied Gas Alarm High Sensitivity for Home Security 90?240VEU Plug
From $89.00
SCD40 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature and Humidity 2 in 1 Sensor
From $26.95
4-in-1 Air Quality Monitor, Co2 Detector, Portable Co2 Monitor, Temperature And Relative Humidity W
From $84.00
5v 1200mah Co2 Tester Hdo5 Air Quality Detector Electricity Temperature Humidity Display Black
From $189.00
Gas Detector, LPG/Natural Gas/Coal Leak Detector, Plug-in Sensor Monitor with Audible Alarm and LED Digital Display, Methane, Propane, and Butane Fuel
From $33.95
Ad8361 Rf Microwave True Power Detector Logarithmic Power Detector Am Detector Amplitude Detection Viewleaf
From $30.95
3 in 1 CO2 Meter Air Quality Monitor Handheld 5000Ppm CO2 Monitor Measurement Carbon Dioxide / Detector S8601
From $59.00
Leak Detector with Dual Gas Detection, Adjustable Sensitivity, HVAC Tester for R134A R410A R22
From $139.00
Oxygen Detector AR8100 Smart Sensor O2 Gas Analyzer with Dual Alarm Alerts and Backlit LCD Display
From $389.00
Portable Oxygen Gas Detector O2 Analyzer with Precision Sensor and Rechargeable Battery for Industrial Safety
From $329.00
Co2 Monitor Carbon Dioxide Tester 2-inch Lcd Screen Multifunctional Air Quality Detector Usb Reable
From $219.00
Wabjtam Domestic Gas Detector With Alarm 70 Db
From $45.95
Wabjtam Winery Refractometer Alcohol 0-80% V/v Alcohol Meter, 1 Piece
From $41.95
4 In 1 Air Monitor Rechargeable Detector Air Quality Tester High Accuracy Sound Light Vibration A
From $229.00
Air Quality Monitor, 3.2-inch Portable Co2 Detector Air Quality Tester Indoor, Monitoring Carbon Di
From $59.00
Smart Bluetooth Dissolved Oxygen Meter, Portable 0.0-30Mg/L Dissolved Oxygen Meter Range, Dissolved
From $149.00
Carbon Dioxide Detector Air Quality Detector Infrared Carbon Dioxide Solubility Detector
From $169.00
2025 Wireless Gas Detector Alarm Leakage Sensor Natural Gas Leak Detector
From $54.00
O3 Ozone Meter Ozone Analyzer Air Detector Intelligent Sensor Ozone Counter Air Quality Pollution Monitor(,)
From $129.00
Gas Leak Detector with MultiGas Detection and Combustible Gas Alarm, USB Rechargeable for Home and RV
From $179.00
Carbon Dioxide Sensor Infrared CO2 Concentration Detection 5000ppm Gas HAVC RV Smart Home Air Quality Monitor
From $30.95
Ozone detector, portable ozone detector O3 ozone meter smart sensor ozone meter gas analyzer Edition 527,New 2026
From $209.00
MQ137 Ammonia Gas Detection Sensor Module NH3 Gas Sensor Module Household Appliance Accessories Ana
From $23.95
Oxygen supply failure alarm, oxygen shutdown alarm for vehicles transporting live seafood, as well as for aquaculture systems-SNNGV
From $33.95
4-in-1 Gas Detector CO Alarm Carbon Monoxide & Gas Leak Detector with Temp Humidity Monitor Digital Display Plug-in Home Safety, 2026 NEW
From $49.95
Electrochemical Formaldehyde Sensor Air Quality Detector HCHO TVOC CO2 Tester High Precise Temperature Humidity Test Meter with Voice Alarm Function
From $54.00
MH-Z19C Infrared CO2 Sensor for CO2 Monitor MH-Z19C NDIR Gas Sensor CO2 Gas Sensor MH Z19 with Terminal
From $42.95