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Shop the best prices on 4,181 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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1,089 - 1,120 of 3,200
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 $94.00
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 $28.95
HVAC & Auto AC Refrigerant Gas Leak Detector for R22 R410a R134a R1234yf CFCs -6000 Freon & Halogen Detector
From $59.00
MICS-4514 Gas Sensor Module Co/No2/NH3/T4 Concentration Detection Board
From $44.95
Sensirion SGP40 Digital VOC Sensor Module VOC Index Detection for STEMMA QT & Qwiic Ideal for Environmental Monitoring
From $13.95
Co2 Detector Monitor, Co2 Carbon Dioxide Air Quality Sensor, Air Quality Sensor With Usb Cable - Temperature And Humidity Detector - For Home / Office
From $26.95
Air Quality Monitor CO2 Monitor Formaldehyde Detector TVOC/Temp./Humidity Indoor with Buzzer Prompt
From $45.95
VOC, Formaldehyde & Ene Detection Sensor Module, Level 4 Monitoring Probe for Air Quality Analysis
From $36.95
GMV-2021B MEMS H2 Sensor Hydrogen Gas Leakage Detection Device Hydrogen Detection
From $25.95
MH-Z19 MH-Z19E IR Infrared CO2 Sensor Module for CO2 Monitor (A)
From $41.95
Co2 Detector 3-in-1 Indoor Co2 Detector Mon Detects Co2 Home -and-s
From $129.00
Lcd Carbon Monoxide Co Detector Poisoning Gas Sensor Monitor Warning Alarm Set Shytmv
From $36.95
Mini CO2 Detector,Air Quality Monitor, Infrared CO2 Monitor for Travel Home Indoor,You Can Use Anywh
From $79.00
Natural Gas Leak Alarm, 85dB Alarm Warning Sensor for Home Repair and Workshop Tasks and Gas Detectors and Home Kitchen and Garden
From $47.95
ANENG GN803 Handheld Gas Leak Detector Methane Combustible Gas Testers Portable Gases Concentration Analyzer Meter
From $27.95
T08 Co2 Detector Carbon Dioxide Concentration Detector Co2 Monitor Meter Air Monitor Humidity Co2 C
From $94.00
O3 Ozone Meter Air Detector for Pollution Monitoring and Analysis
From $159.00