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Shop the best prices on 4,351 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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2,529 - 2,560 of 3,200
Gas Detectors-FOInfi7715-9480213629181
From $119.00
Air Monitor Co2 Carbon Dioxide Detector Air Quality Temperature Humidity Monitor Fast Measurement Meter-dwdz
From $35.95
Natural Gas Detector, Propane/Methane/Butane/LPG/LNG Gas Leak Detector, Portable Sound Alarm for RV,
From $59.00
Three-in-one semiconductor carbon dioxide detector, air quality monitoring CO2 air detector.
From $59.00
SCD40 Sensor Module Detects CO2 Carbon Dioxide Temperature and Humidity 2 in 1 Sensor
From $34.95
Air Quality Detector for Formaldehyde TVOC for Home Office
From $34.95
-Z19 -Z19E IR Infrared CO2 Sensor Module Carbon Dioxide Gas Sensor NDIR for CO2 Monitor 400-5000Ppm
From $24.95
NDIR CO2 Carbon Dioxide Air Gas Sensor Module Infrared IR 400-5000ppm for CO2 Monitor Pin Type
From $18.95
CO2 Sensor 400-10000 Ppm Carbon Dioxide Air Quality Detection Infrared Gas Sensor Module -Z19E Low
From $20.95
Handheld Ozone Detector O3 Meter with Electrochemical Sensor, Air Quality Monitor
From $179.00
Handheld Ozone Detector O3 with Electrochemical Sensor, Air Quality Monitor for Temperature, Humidity & AQI
From $179.00
Cjmcu-811 Ccs811 Carbon Monoxide Co Vocs Air Quality Numerical Gas Sensor Module For Arduino
From $49.95
ZE08-CH2O Electrochemical Formaldehyde Detection Module with UART Output
From $31.95
Portable Gas Leak Detector for Propane, Methane & Natural Gas with Lanyard
From $47.95
Formaldehyde Sensor Module ZE08-CH2O with UART Serial Output for Air Quality Monitoring
From $31.95
Halogen Refrigerant Leak Detector for HVAC, Freon Gas Sensor for R22 R410A R134A R1234YF CFC HCFC
From $59.00
Portable Gas Leak Detector | Handheld Gas Sniffer for Home, Kitchen, Hotel, Car & Catering
From $54.00
Gas Leak Detector HT601B 0-1000PPM, High-Precision Flammable Gas Tester with Audible and Screen Alarm
From $119.00
WJL-6000 High Sensitivity Halogen Gas Refrigerant Leak Detector Analyzer
From $48.95
Multi Gas Detector Gas Meter O2 H2S CO 4 in 1 Oxygen Hydrogen Sulfide Carbon Monoxide Combustible Gas Leak Detector
From $249.00
52mm Car Air Fuel Ratio Gauge LED Blue Digital for 12V 4 6 8 Cylinder Gasoline Vehicle
From $42.95
High Accuracy Carbon Dioxide Sensor CO2 Transmitter 400-5000PPm for Agricultural Greenhouse
From $99.00
Aquarium Drip Glass Co2 Checker Co2 Drop Checker For Planted Aquariums With Co2 Solution
From $19.95
Oxygen Detector Sensor for AA428-210-Compatible Gas Monitoring Devices
From $64.00
MQ131 Ozone Sensor Module for Accurate Ozone Gas Detection and Monitoring
From $28.95
MICS-6814 Gas Sensor Carbon Monoxide CO NO2 NH3 Nitrogen Oxygen Air Quality Detection Numerical Sen-JXLGV
From $49.95
WiFi Combustible Gas Sensor USB Powered Smart LPG Gas Alarm Detector Leakage Sensor for Combustible Gas
From $69.00
2X MQ136 Hydrogen Sulfide Gas Sensor Module H2S Gas Detection Sensor Module High Sensitivity Sensor Module
From $38.95
2X MQ137 Ammonia Gas Detection Sensor Module NH3 Gas Sensor Module Household Appliance Accessories Analog
From $29.95
WiFi Smart Carbon Monoxide Alarm,WiFi CO Gas Detector with Tuya
From $35.95
ZY-STCC4 Digital Temperature Sensor Module STCC4 3-in-1 CO? Sensor, Temperature, and Humidity Module for Arduino
From $27.95
HVAC & Auto AC Refrigerant Gas Leak Detector for R22 R410a R134a R1234yf CFCs -6000 Freon & Halogen Detector
From $59.00