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Shop the best prices on 4,230 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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2,657 - 2,688 of 3,200
6-in-1 Portable Oxygen Detector with CO, Altimeter, Barometer, Temperature, Humidity Monitor for Outdoor Activities
From $109.00
Gas Detector, Lpg/natural Gas/carbon Gas Leak Detector, Plug-in Sensor Monitor(white)
From $39.95
Natural Gas Detector and Carbon Monoxide CO Detector,Combustible Gas Detector Monitor compatible with Co, Methane in Kitchen-EU PlugP20211224629
From $45.95
Level 4 Air Quality Module, VOC, compatible withmaldehyde, and Benzene Detection Module, ZP07 Air Quality Detection Probe
From $26.95
Methane Leak Detector Alarm-Portable,Flammable Gas Sensor,Black Black
From $59.00
Air Quality Monitor Formaldehyde Detector TVOC PM2.5/PM10 Tester Multifunctional Air Gas Detector Real Time Data Monitoring Intelligent Real-time Det
From $79.00
3 in 1 Carbon Dioxide Detector Air Quality Monitor Temperature Humidity Air Analyzer for CO2 Digital CO2 Meter for Home Office
From $45.95
Tuya Combustible Gas Detector Gas Alarm Digital Gas Detection Sensor Sound Alarm Smart Air Quality
From $22.95
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
4 In 1 Gas Detector O2 H2s Co Combustible Lcd Alarm Data Logger
From $189.00
Methane Gas Sensor Module Catalytic Methane Gas Sensor Module SC4-CH4 Combustible Gas Leakage Monitor
From $22.95
ZG09 CO2 Gas Sensor 485 Signal Output Module CO2 Module S8 0053
From $54.00
2X MQ131 High Concentration Ozone Gas Sensor Module for Ozone High Concentration Analog TTL Level Output 10-1000PPM
From $33.95
SCD30 Module Air Quality Gas Sensor for CO2 and RH/T Measurement of Carbon Dioxide Gas Sensors
From $23.95
SCD40 Gas Sensor Detects CO2 Carbon Dioxide Temperature and Humidity in One Sensor I2C Communication
From $21.95
Ammonia Gas Sensor NH3 Concentration Air Quality Environmental Monitoring Module Digital Electrochemical SC05-NH3
From $33.95
Refrigerant & Combustible Gas-Leak Detector, PPM Freon Leak Detector with Loud Alarm, for R134A R410A Propane Methane,New 2026
From $46.95
3 In 1 Air Quality Monitor Co2 Detector For Co2 Temperature Humidity Ndir Sensor Carbon Dioxide Meter Concentration Tester
From $84.00
Handheld Combustible Gases Leak Detector Natural Gases Leakage Analyzer Tester Portable Gases Leak L
From $59.00
CY-12C Portable Oxygen Analyzer Oxygen Concentration Tester Handheld Oxygen Tester Analysis Instruments
From $129.00
Alcohol Gas Concentration Sensor High Sensitivity Breathalyzer Module Smart Vehicle Detection DIY Projects
From $64.00
Oxygen Supply Failure Alarm Oxygen Cut-Off Alarm for Vehicles Transporting Live Seafood As Well As Aquaculture Systems
From $15.95
Handheld Ozone Detector O3 Monitor with Electrochemical Sensor, Measures O3, Temperature & Humidity
From $169.00
Gas Leak Detector Combustible Propane Butane Methane Leak Warning Combustible Gas Alarm Sensor for Home Security EU Plug
From $19.95
Rm370 Carbon Monox Detector
From $42.95
CO2 Detector, Indoor Air Quality CO2 Monitor Carbon Dioxide Monitor NDIR Sensor 400-5000 PPM, USB Rechargeable CO2 Alarm Meter, Temperature And Relati
From $139.00
CO2 detector, Indoor Air Quality Monitor, 3-in-1 CO2 Meter,Therm La Mode CO2 Sensor with Temperature & Humidity, NDIR Carbon Dioxide Detector, Auto Ca
From $109.00
Gas Leak Detector Analyzer Methane Combustible Natural Tester Sound Double Alarm Lcd Alcohol Gas Le Viewleaf
From $84.00
Multi Gas Detector Gas Meter O2 H2s Co Lel 4 In 1 Oxygen Hydrogen Sulfide Carbon Monoxide Combustible Gas Leak Detector Viewleaf
From $159.00
12v Gas Detector Sensor Alarm Propane Butane Lpg Natural Motorhome Camper
From $41.95
Gas Detectors Carbon Monoxide Combustible Gas Monitor Low False Alarm Rate Simple DIY Installation Solution Black,New 2026
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
From $41.95