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Shop the best prices on 5,024 great value gas detectors. Shopping for gas detectors is easy with Fruugo, with SALE discounts, offers and savings on Viewleaf, GreenZech, Other and more. Buy gas detectors online safely with Fruugo, with secure payment and fast shipping to Canada.

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993 - 1,024 of 3,200
Latest Model CO2 Sensor Module Carbon Dioxide Gas Concentration Sensor
From $129.00
-6000-L Freon Leak Detector Halogen Leak Detector Refrigerant Gas HVAC R22 R410A R1234YF Detector wi
From $47.95
35655-ZY3-C01 4020300 Oxygen O2 Sensor 35655-ZZ5-004 for Honda Motorcycle Scooter BF40 BF50 BF250 BF175 BF200 BF225 35655ZY3C01
From $129.00
Household Combustible Gas Leakage Sensor Detector Liquefied Gas Alarm High Sensitivity for Home Security 90?240VEU Plug
From $89.00
Co2 Detector, Carbon Dioxide Detector, Co2 Sensor - Agricultural Production Greenhouse Co2 Monitor - For Home/office/gym/car -semiconductor Inspection
From $41.95
Portable Gas Leak Detector,hand-held Natural Gas Detector,high Sensitivity,with Lcd Display
From $49.95
2C012,13 in 1 Tuya WIFI Air Quality Detector CO2,CO,PM2.5 Formaldehyde TVOC Temperature and Humidity
From $119.00
Gas Leak Detector Analyzer Methane Combustible Natural Tester Sound Double Alarm LCD Alcohol Gas Le
From $119.00
Multi Gas Detector Gas Meter O2 H2S CO 4 in 1 Oxygen Hydrogen Sulfide Carbon Monoxide Combustible Ga
From $179.00
4-in-1 Gas Detector CO Alarm Carbon Monoxide & Gas Leak Detector with Temp Humidity Monitor Digital Display Plug-in Home Safety
From $45.95
Digital Halogen Leak Detector for Refrigerant, HVAC and Automotive Maintenance, Portable and Accurate Detection Tools
From $69.00
Radon gas detector, quality monitoring infrared sensor, five-in-one carbon dioxide detector, multi-functional mold detection kit (suitable for gyms).
From $104.00
Dy80 Gas Analyzer Combustible Gas Detection Gas Leak Tester Tester Sound And Light Alarm
From $37.95
ZE08-CH2O Formaldehyde Sensor with Serial Port Output for Accurate Concentration Measurement
From $31.95
MQ-131 MQ131 MQ 131 Ozone Sensor Oxygen Gas Sensor Module for Ozone Low/High Concentration Exceeded Alarm
From $35.95
CGM6812-B00 Hydrogen, Methane, Propane Gas Sensor Pre-Calibrated Module for Combustible Gas
From $169.00
Carbon Dioxide Detector 3 in 1 Indoor Air Quality Monitor Portable CO2 Monitor Tester for CO2 Temperature and Humidity
From $104.00
Radiation Pollution Detector Multifunctional Geigers Counter Portable Radiation Dosimeter Detectors
From $279.00
Ionizing Radiation Detector Multifunctional Geigers Counter Portable Radiation Dosimeter Detectors
From $159.00
803 Blue Digital Display Oxygen Gas Leak Detector 10~+50
From $119.00
Gas Detector, LPG/Natural Gas/Coal Gas Leak Detector, Plug-in Sensor Monitor with Audible Alarm and LED Digital Display, Combustible Methane, Propane
From $36.95
ENS160+AHT21 CARBON Dioxide CO2 ECO2 TVOC Air Quality and Temperature and Humidity Sensor Replace CC
From $9.95
MH-Z19 MH-Z19C IR Infrared CO2 Sensor Module Carbon Dioxide Gas Sensor NDIR Accessories
From $17.95
3X SCD40 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature and Humidity 2 in 1 Sensor
From $79.00
3X MQ131 High Concentration Ozone Sensor Gas Sensor Module for Ozone High Concentration Analog TTL Level
From $59.00
3X MQ137 Ammonia Gas Detection Sensor Module NH3 Gas Sensor Module Appliance Accessories Analog TTL Level Output
From $48.95
MH-Z14B NDIR Infrared CO2 Sensor Module Gas Sensor for CO2 Monitor 0-5000ppm MH Z14 Serial UART PWM Output
From $46.95
Tuya CO2 Dioxide Detector WIFI CO2 Monitor Meter Co2 Sensor Indoor Agricultural Greenhouse Air Humiture Sensor Monitor unbrand
From $69.00
AO-06 Oxygen Sensor Oxygen Concentration Level Detection Sensor Replaces the MOX4 for Gas Monitoring
From $54.00
3X MQ137 Ammonia Gas Detection Sensor Module NH3 Gas Sensor Module Appliance Accessories Analog TTL Level Output
From $43.95
MQ136 Hydrogen Sulfide Gas Sensor Module H2S Gas Detection Sensor Module High Sensitivity Sensor Module unbrand
From $20.95
C-100 Multifunctional 5 in 1 Salinity TDS EC Seawater Test Pen Water Quality Detector Detector
From $43.95