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Shop the best prices on 4,235 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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2,817 - 2,848 of 3,200
PT803 Oxygen Detector 025% Sensitivity RealTime Display Sound Light Vibration Alarm Handheld O2 Gas Analyzer
From $209.00
WT8822 Portable H2S Gas Detector High Sensitivity Alarm Monitor for Hydrogen Sulfide
From $169.00
-Z14B NDIR Infrared CO2 Sensor Module Gas Sensor for CO2 Monitor 0-5000ppm Z14 Serial UART PWM Output
From $99.00
2c012,13 In 1 Tuya Wifi Air Quality Detector Co2,co,pm2.5 Formaldehyde Tvoc Temperature And Humidity(with 5 Slave Units)
From $119.00
O3 Ozone Meter Ozone Analyzer Air Detector Intelligent Sensor Ozone Counter Air Quality Pollution Monitor(,)
From $179.00
2025 Portable CO Detector Carbon Monoxide Detector, Mobile CO Warner Carbon Monoxide Warning Detector, CO Meter with Temperat SZRH A-F
From $99.00
Scd40 Gas Sensor Module Detects Co2 Carbon Dioxide Temperature And Humidity 2 In 1 Sensor
From $64.00
Mobile Co2 Monitor Ndir Sensor Carbon Dioxide Detector Indoor Co2 Testing Manager Ndir Sensor With
From $139.00
MH-Z19 MH-Z19E IR Infrared CO2 Sensor Module Carbon Dioxide Gas Sensor NDIR for CO2 Monitor 400-500
From $36.95
3-In-1 CO Carbon Monoxide Monitor CO Temperature and Humidity Detector CO Air Quality Monitor HD LED Screen Gray
From $99.00
Tuya CO2 Dioxide Detector WIFI CO2 Monitor Meter Co2 Sensor Indoor Agricultural Greenhouse Air Humiture Sensor Monitor
From $59.00
Formaldehyde Sensor ZE08-CH2O Serial Port Output Formaldehyde Concentration Measurement Has Been Calibrated Calibration
From $14.95
Digital Carbon Dioxide Controller CO2 Monitor NDIR Sensing Probe 0-5000ppm Concentration Tester for Greenhouse Plant(EU)
From $289.00
ENS160+AHT21 CARBON Dioxide CO2 ECO2 TVOC Air Quality and Temperature and Humidity Sensor Replace C
From $11.95
Aqara Smart Natural Gas Detector Zigbee Gas Leak Alarm Intelligent Linkage Smart Home Security
From $69.00
O2 Electrochemical Oxygen Sensor Module Analog Voltage Output Compatible with STM32 Oxygen Concentration Detection
From $36.95
SGP40 VOC Sensor Module Dual Gas Environment Detection Industrial Wide Temperature Range STEMMA QT/Qwiic Interface
From $15.95
LuminOx Fluorescent Oxygen sensor LOX-02 L0X-02 SST O Small size, low power consumption and long life
From $359.00
4-in-1 Gas Detector, CO and Natural Gas Alarm with Temperature Humidity Monitor, Digital Display, Plug-in for Home Kitchen RV
From $43.95
10PCS MQ5 Gas Sensor Module Methane Natural Gas Detector 5V Shield for Arduino Stable Performance
From $21.95
Air Quality Monitor Portable Carbon Dioxide Detector 3-in-1 CO2 Temperature Humidity Meter TVOC
From $39.95
Aqara Smart Natural Gas Detector Zigbee Gas Leak Alarm Intelligent Linkage Smart
From $104.00
Multi Gas Detector Gas Meter O2 H2S CO LEL 4 in 1 Oxygen Hydrogen Sulfide Carbon Monoxide Combustible Gas Leak Detector
From $159.00
C8D Dual-Channel (0-5000 Ppm) CO2 Sensor High-Precision Infrared Carbon Dioxide CO2 Concentration Detection Module
From $21.95
Alarm Gas Detector Leak Tester for Methane Gas, Natural Gas, Liquefied Petroleum Gas, and Combustible Flammable Gas
From $109.00
Oxygen Supply Failure Alarm Oxygen Cut-Off Alarm for Vehicles Transporting Live Seafood As Well As Aquaculture Systems
From $12.95
Oxygen Sensor AO-02 Gas Detector Compatible with AO2 AA428-210 AO2PTB-18.10_
From $43.95
MQ-131 MQ131 MQ 131 Ozone Sensor Oxygen Gas Sensor Module for Ozone Low/High Concentration Exceeded Alarm
From $32.95
Methane Gas Sensor Module Catalytic Methane Gas Sensor Module SC4-CH4 Combustible Gas Leakage Monitor
From $16.95
CGM6812-B00 Hydrogen, Methane, Propane Gas Sensor Pre-Calibrated Module for Combustible Gas
From $149.00
The 6in1 Olfactory Sensor Module Supports UART Control Interface,Can Be Connected for ESP32 and Other Main Control Board
From $89.00
For YYS Electrochemical Ozone O3 Gas Sensor Module for Ozone Concentration Detection Disinfection Cabinet SC01-O3
From $17.95