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Shop the best prices on 5,409 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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1,761 - 1,792 of 3,200
Portable Multi Gas Detector Long Battery Life & Rechargeable Convenience For Work & Home Safety
From $49.95
SCD41 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature and Humidity in One Sensor I2C Communication B
From $32.95
Portable Multi Gas Detector Long Battery Life & Rechargeable Convenience For Work & Home Safety
From $49.95
MG811 CO2 Sensor Sensor Module
From $30.95
HoldPeak Portable Ultrasonic Oxygen Measuring Instrument,for Detection PSA Oxygen Generator Output Concentration,Flow Rate
From $309.00
MP7227-da Pellistor is A Low Power Miniature MEM'S Catalytic Combustible Gas Sensor, MP-7227-da
From $99.00
For YYS Electrochemical Ozone O3 Gas Sensor Module for Ozone Concentration Detection Disinfection Cabinet SC01-O3
From $19.95
CO Gas Sensor Carbon Monoxide Sensor UART Digital Output SC16-CO
From $24.95
Portable Ultrasonic Oxygen Measuring Instrument,for Detection PSA Oxygen Generator Output Concentra
From $289.00
CO Gas Sensor Carbon Monoxide Sensor UART Digital Output SC16B-CO (0-1000PPM)
From $21.95
MQ137 Ammonia Gas Detection Sensor Module NH3 Gas Sensor Module Household Appliance Accessories Anal
From $17.95
CGM6812-B00 Hydrogen, Methane, Propane Gas Sensor Pre-Calibrated Module for Combustible Gas
From $179.00
4in1 RS485 Remote Monitoring Greenhouse CO2 Temperature Humidity Light Sensor CO2 Gas Transmitter Sensor 2000ppm
From $79.00
3X MQ137 Ammonia Gas Detection Sensor Module NH3 Gas Sensor Module Appliance Accessories Analog TTL Level Output
From $45.95
ZG09 CO2 Gas Sensor 485 Signal Output Module CO2 Module S8 0053
From $64.00
MH-Z19 MH-Z19C IR Infrared CO2 Sensor Module Carbon Dioxide Gas Sensor NDIR Accessories
From $18.95
PM2.5 Air Quality Module (PMSA003) Ambient Air Quality Testing Module DC5V Power Supply M5Core Pedestal
From $74.00
5 In 1 Air Quality Detector Semiconductor Sensors Hcho Tvoc Co2 Temperature Humidity Tester Air Mon
From $54.00
Air Detector Pm2.5 Pm10 Co2 Formaldehyde Temperature Detector Multifunctional
From $45.95
Indoor Temperature Humidity Air Quality Detector
From $104.00
Large Air Quality Monitor & Carbon Dioxide Sensor Universal
From $41.95
USB Charging Carbon Dioxide Detector & Monitor Universal
From $40.95
Natural and soporific gas detector
From $54.00
RV Propane | Natural Gas Detector, Gas Leak Detection, Home Gas Alarm, High Sensitivity LPG LNG Coal Natural Gas Leak Detection, Alarm Monitor Sensor
From $28.95
And Soporific Gas Detector ()115x75x35mm
From $54.00
CO2 Air Detector Carbon Dioxide Detector Agriculture Production Greenhouse CO2 Monitor-White
From $27.95
Pressure R Argon/co2 Inert Gas Pressure Regulator To Mig/mag
From $54.00
2X MQ137 Ammonia Gas Detection Sensor Module NH3 Gas Sensor Module Household Appliance Accessories Analog
From $31.95
Upgrade M365 Pro Dashboard For Xiaomi M365 Scooter Bt Circuit Board W/screen Cover For Xiaomi M365 Scooter
From $46.95
Auspicious-wi-fi Water Leak Detector, 130db Smart Flood Detector, Water Detector Wireless Water Alarm Sensor, Push Notifications To Tuya Smartphones/s
From $64.00
Upgrade M365 Pro Dashboard For Xiaomi M365 Scooter Bt Circuit Board W/screen Cover For Xiaomi M365 Scooter
From $64.00
MQ131 High Concentration Sensor Gas Sensor Module for High Concentration Analog TTL Level Output 10-
From $19.95