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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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2,209 - 2,240 of 3,200
MICS-5524 Air Quality Gas Sensor Module CO H2 Methane Ethanol Detection Board High Sensitivity for I2C for Arduino DIY
From $23.95
2Pcs - SGP40 SGP40 TVOC eCO2 CO2 Carbon Dioxide Sensor
From $24.95
Handheld Portable 0-100PPM Ammonia Meter H2S/O3/CO/CO2/H2S/O2/NO2/NO/EX/NH4 Gas Detectors with Sound and Light Alarm Multicolor,New 2026
From $219.00
5 In 1 Air Quality Monitor Tvoc Hcho Temperature Humidity Co2 Meter, Usb Rechargeable Co2 Detector White
From $59.00
Smart Bluetooth Dissolved Oxygen Meter, Portable 0.0-30Mg/L Dissolved Oxygen Meter Range, Dissolved
From $159.00
Digital Hydrogen Tester Pen, High-Precision Hydrogen Meter for Reliable Testing
From $43.95
Air Quality Monitor Formaldehyde Detector TVOC PM2.5/PM10 Tester Multifunctional Air Gas Detector
From $79.00
Co2 Air Quality Monitor Indoor Carbon Dioxide Detector Co2 Alarm Meter 400-5000 Ppm With Temperatur Viewleaf
From $79.00
Household gas alarm kitchen gas leak detector solenoid valve combustible gas alarm
From $99.00
Gas Detector Digital Display Sampling Pump Flammable Oxygen Carbon Monoxide Hydrogen Sulphide Gas Suction Outdoor Pump Ref: 9852
From $749.00
Co2 Air Detector Carbon Dioxide Detector Agricultural Production Greenhouse Co2 Monitor White Hy
From $34.95
Compact 4-in-1 Gas Analyzer for O2 H2S CO LEL with Sound Alarm
From $259.00
Portable Natural Gas Leak Detector, Combustible Gas Analyzer Meter with Sound & Light Alarm, Rechargeable ZL73B-SSZFV
From $89.00
Radiation Detector TFT Display Geiger Counter X β γ Rays Tester Meter Radiating Dose Alarm
From $119.00
Temperature Humidity Meter High Accuracy Sensor Thermometer Hygrometer Detector with Alarm Function Back Bracket VTCO02 Blue
From $64.00
TSS3002E BSP 1/2 Mechanical Cold Water Meter with Pointer Measuring Tools for Home
From $69.00
CO2 Detector, WiFi Air Quality Monitor Temperature Humidity Tester Thermometer Hygrometer for Home
From $89.00
GM1030 0~200,000Lx Digital Illuminometer Luxmeter Light Testing Instrument with UART Connector
From $129.00
Portable LCD Digital Geiger Counter Nuclear Radiation Detector Dosimeter Beta Gamma X Ray Tester(Black )
From $89.00
Laser Calibrator Aluminum Alloy Calibrator Turn-Free Laser Calibrator 8-Hole Adjustable Adapter for 0.177 to 0.50 Caliber
From $44.95
Handheld Combustible Gases Leak Detector Natural Gases Leakage Tester Portable Combustible Gases Concentration Analyzer Meter with Sound Light Alarm
From $64.00
3-in-1 Carbon Monoxide Detector 0-1000PPM Portable Mini Air Quality Monitor with Lanyard Alarm CO Gas Meter Temperature Humidity Sensor Built-in
From $59.00
4OXV oxygen sensors City Tech O2 Oxygen Sensors SR-X2V BW replacement oxygen gas sensors - China Mainland
From $119.00
Heads Gasket Tester, Combustion Leak Test Kit Detector Co2, Co2 Reaction Fluid
From $169.00
Asair Acd10 Electronic Carbon Dioxide Sensor Module Infrared Ndir High-precision Co2 Gas Concentration Detection
From $31.95
Air Monitor Co2 Carbon Dioxide Detector Air Quality Temperature Humidity Monitor Quick Measuring Meter For Co2, Black
From $54.00
Wifi Infrared Co2 Monitor Carbon Dioxide Monitor Ndir Sensor Air Quality Monitor Carbon Dioxide Det
From $74.00
Rankomu Handheld Air Quality Detector Handheld Air Quality Detector Meter, Portable Rechargeable TVOC HCHO Tester, Accurate Measurements for
From $54.00
DEWIN Gas Leak Detector, Natural Gas Tester with ble & Visual Alarm, Portable High Sensitivity Gas Sniffer to Locate Combustible Gas Leak
From $49.95
Carbon Dioxide Detector 3 in 1 Indoor Air Quality Monitor Portable CO2 Monitor Tester for CO2 Temperature and Humidity
From $119.00
PEAKMETER PM6310 High Accuracy Portable Combustible Gas Leak Detector
From $129.00
SMART SENSOR AS5750 Refrigerant Leak Detector High Sensitive USB Rechargeable Halogen Leak Detector
From $109.00