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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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2,593 - 2,624 of 3,200
MQ-131 MQ131 MQ 131 Ozone Sensor Oxygen Gas Sensor Module for Ozone Low/High Concentration Exceeded Alarm
From $35.95
4in1 RS485 Remote Monitoring Greenhouse CO2 Temperature Humidity Light Sensor CO2 Gas Transmitter Sensor 2000ppm
From $69.00
TFT USB rechargeable intelligent atmospheric carbon dioxide detector without wireless gas concentrat
From $219.00
In 1 Tuya Zigbee Wifi Smart Air Box Detector CO2 Gas Sensor Formaldehyde Voc Temperature
From $89.00
4 In 1 h2s/co/o2/ex multi gas detector handheld portable air analyzer high precision toxic harmful g
From $499.00
Mq136 Hydrogen Sulfide Gas Sensor Module H2s Gas Detection Sensor Module High Sensitivity Sensor Mo
From $23.95
Breathalyzer Portable Portable Breathalyzer With Semiconductor Sensor Breath Alcohol Tester, Alcohol Tester
From $18.95
(WhitePortable digital multi-function carbon dioxide MON air quality detector for home office
From $41.95
Natural And Soporific Gas Detector (white)
From $79.00
20mm Carbon Monoxide Sensor 5000ppm Smart Electrochemical CO Detector Module COAF COBF
From $159.00
SCD40 Gas Sensor Detects CO2 Carbon Dioxide Temperature and Humidity in One Sensor I2C Communication
From $23.95
3-In-1 CO Carbon Monoxide Monitor CO Temperature and Humidity Detector CO Air Quality Monitor HD LED Screen Orange
From $69.00
BME680 Environmental Sensor BME680 Temperature and Humidity Atmospheric Pressure VOC Gas Detection Sensor Module
From $25.95
GMV-2021B MEMS H2 Sensor Hydrogen Gas Leakage Detection Device Hydrogen Detection
From $26.95
Leak Detectors Monitors HLD100 Halogen Leak Analyzers For HVAC Refrigerants And Air Conditioners
From $89.00
Leak Detector Portable HVAC Leakage Tester With Long Probe And Leakage Analyzer
From $139.00
Quality Monitor,upgraded Accurate Sensor Co2 Detector 8 In 1 Quality Detector For Co2 Pm2.5/pm10 Formaldehyde Viewleaf
From $259.00
SCD41 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature C
From $37.95
MH-Z14B NDIR Infrared CO2 Sensor Module Gas Sensor
From $44.95
2X MICS-6814 Gas Sensor Carbon Monoxide CO NO2 NH3 Nitrogen Oxygen Air Quality Detection Numerical Sensor Module
From $74.00
Formaldehyde Sensor ZE08-CH2O Serial Port Output Formaldehyde Concentration Measurement Has Been Calibrated Calibration
From $20.95
AO-06 Oxygen Sensor Oxygen Concentration Level Detection Sensor Replaces the MOX4 for Gas Monitoring
From $54.00
Methane Gas Sensor Module Catalytic Methane Gas Sensor Module SC4-CH4 Combustible Gas Leakage Monitor
From $17.95
Tuya CO2 Dioxide Detector WIFI CO2 Monitor Meter Co2 Sensor Indoor Agricultural Greenhouse Air Humiture Sensor Monitor unbrand
From $64.00
MQ131 Ozone Sensor Module for Accurate Ozone Gas Detection and Monitoring
From $25.95
SCD40 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature and Humidity 2 in 1 Sensor
From $23.95
SCD30 Module Air Quality Gas Sensor for CO2 and RH/T Measurement of Carbon Dioxide Gas Sensors
From $27.95
SCD30 Module Air Quality Gas Sensor for CO2 and RH/T Measurement of Carbon Dioxide Gas Sensors
From $23.95
Carbon Monoxide Propanes Gas Leaks Detector for RV Home Use 12V DC RV Propanes_new
From $104.00
Oxygen Supply Failure Alarm Oxygen Cut-Off Alarm for Vehicles Transporting Live Seafood As Well As Aquaculture Systems
From $12.95
12V Gas Detector Propane, Butane, and LPG Alarm Wall Mounted 85dB Audible Alarm For Motorhomes and Boats
From $33.95
Oxygen Sensor AO-02 Gas Detector Compatible with AO2 AA428-210 AO2PTB-18.10
From $89.00