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Shop the best prices on 4,351 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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2,241 - 2,272 of 3,200
Portable Gas Leak Detector with Flexible Probe, LED Display Flammable Gas Alarm Tester HT601A
From $119.00
Electrochemical Formaldehyde Detection Module with UART Output, Compatible with ZE08-CH2O
From $31.95
Refrigerant Gas Leak Detector for HVAC Systems, Freon Gas Analyser for CFCs HCFCs HFCs
From $179.00
Portable Flammable Gas Leak Detector, USB Rechargeable, for Methane and Butane
From $74.00
Portable Flammable Gas Leak Detector with 360° Adjustable Probe, USB Rechargeable, CH4 & C4H10
From $74.00
Gas Leak Detector for Home, Portable Combustible Gas Alarm with Accurate Detection
From $54.00
Mini Ultrasonic Leak Detector Gas Handheld Portable Vacuum Seal Tester
From $89.00
Portable Flammable Gas Leak Detector, USB Rechargeable, for Methane and Butane
From $74.00
ZE25-O3 Ozone Sensor Module for Ozone Monitoring, 0-10ppm Range with Multiple Output Options
From $49.95
MQ137 Ammonia Gas Detection Sensor Module NH3 Gas Sensor Module
From $15.95
voc test particle counter English
From $30.95
5 in 1 Air Quality Monitor TVOC HCHO Temperature Humidity CO2 Meter, USB Rechargeable CO2 Detector Black
From $38.95
Aqara Smart Natural Gas Detector Zigbee Gas Leak Alarm Intelligent Linkage Smart Home Security Aqara
From $189.00
WiFi Smart Air Quality Monitor CO2 Meter TVOC HCHO PM2.5 Tester Digital CO2 Sensor Formaldehyde Gas Detector Tuya APP B
From $84.00
MP7227-da Pellistor is A Low Power Miniature MEM'S Catalytic Combustible Gas Sensor, MP-7227-da
From $84.00
Digital Carbon Dioxide Controller CO2 Monitor NDIR Sensing Probe 0-5000ppm Concentration Tester for Greenhouse Plant(EU)
From $269.00
Formaldehyde Sensor ZE08-CH2O Serial Port Output Formaldehyde Concentration Measurement Has Been Calibrated Calibration
From $16.95
3X MH-Z19 MH-Z19E IR Infrared CO2 Sensor Module Carbon Dioxide Gas Sensor NDIR for CO2 Monitor 400-5000Ppm UART PWM(A)-SNNGV
From $89.00
Air Quality Monitor Indoor, Air Quality Detector with Time Date Display and Alarm Clock, CO2 Monito
From $119.00
Co2 Air Detector Carbon Dioxide Detector Agricultural Production Greenhouse Co2 Monitor White-FCY
From $17.95
DM509-O3 Handheld Portable Ozone Analyzer O3 Ozone Gas Detector Intelligent Sensor Ozone Meter Generic1
From $169.00
TASI Combustible Gas Detector Natural Gas Flammable Alarm Leak Detector Generic1
From $99.00
Portable Gas Leak Detector,hand-held Natural Gas Detector,high Sensitivity,with Lcd Display-Excellence Other
From $59.00
BENETECH GT8220 Flammable Gas + Oxygen + Hydrogen Sulfide + Carbon Monoxide Detector Combustible Gas Toxic And Harmful Detector Generic1
From $279.00
5 In 1 Air Quality Detector TVOC HCHO CO2 Meter Carbon Dioxide Tester
From $79.00
SNDWAY SW-723 Gas Detector Carbon Dioxide CO2 Monitor Alarm 9999 PPM Sensor Professional Carbon Dioxide Tester Device COO Meter
From $209.00
Gas Detector, 6 in 1 Multifunctional Portable Air Quality Detector, Indoor CO2 Detector, HCHO TVOC Formaldehyde Tester, Temperature Alarm Meter(White
From $40.95
Alcohol Gas Concentration Sensor High Sensitivity Breathalyzer Module Smart Vehicle Detection DIY Projects
From $79.00
MultiGas Detector with IndustrialGrade Performance, FourinOne Gas Monitor for Combustible, Oxygen, CO and H2S Detection
From $239.00
CY-12C Portable Oxygen Analyzer Oxygen Concentration Tester Handheld Oxygen Tester Analysis Instruments
From $119.00
ZG09 CO2 Gas Sensor 485 Signal Output Module CO2 Module S8 0053
From $47.95
Smart CO2 Detector Carbon Dioxide Controller 2 Channel CO2 Monitor with Relay Power Socket for Tuya APP EU Plug 100240V
From $339.00