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Shop the best prices on 4,095 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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3,041 - 3,072 of 3,200
CO2 Meter Alarm Instrument Multifunctional Thermohygrometer Air Quality Detector Air Quality Tester for Home
From $64.00
2 in 1 PH TDS Meter Tester Water Quality Monitor Online Acidity Monitor Analyzers Tester for Aquarium EU Plug
From $54.00
Portable Design Digital Illuminance Meter, Range 1-400,000 Lux, Photometers Tester, Plant Growth Light Monitoring
From $74.00
Freon Leak Detector Halogen Leak Detector R22 R410A R134A R1234YF Refrigerant Gas HVAC Air Conditioner Tester
From $48.95
MT300H Hay Moisture Meter LCD Digital Display for Straw Pasture Wheat Digital Moisture Analyzer Humidity Detector Tester
From $64.00
LCD Digital TDS Meter High Precision Water Quality Tester TDS Temperature Detector Waterproof Water Analyzer
From $74.00
Soil Moisture Sensor Soil Moisture Meter, Soil Tester, Used for Soil Moisture Sensors - Sensor Only, Can'T Be Used Alone
From $38.95
Tester High Accuracy Tester Pen Jewelry Tester Professional Tester Kit
From $25.95
Gas Leak Detector 803 Oxygen Gas Detector Oxygen Gas Detector 803 Blue Digital Display Oxygen Gas Leak Detector 10-+50℃
From $109.00
6 in 1 PM2.5 PM10 HCHO TVOC CO CO2 Air Quality Detector CO CO2 Formaldehyde Monitor Home Office Air Quality Tester,White
From $23.95
Methane Gas Sensor Module Catalytic Methane Gas Sensor Module SC4-CH4 Combustible Gas Leakage Monitor
From $17.95
Automotive Relay Tester, Car Diagnostic Tool, 12V High Precision Circuit Tester,for Quick Battery Testing
From $32.95
9.2 Inch IPS USB Secondary Screen 1920x462 Smart Screen No Need AIDA64 Type-C PH Interface CPU GPU RAM Computer Monitor
From $119.00
HT-1890 Gas Pressure Gauge Manometer Digital Manometer Data Hold Dual Port Air Pressure Gauge HVAC Gas Teste Meter
From $74.00
Multifunctional Electric Magnetic Field Radiation Detector Electromagnetic Radiation Tester Radio Frequency Meter A
From $49.95
SGP40 VOC Sensor Module Dual Gas Environment Detection Industrial Wide Temperature Range STEMMA QT/Qwiic Interface
From $14.95
SCD40 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature and Humidity in One Sensor I2C Communication A
From $21.95
MQ131 High Concentration Sensor Gas Sensor Module for High Concentration Analog TTL Level Output 10-
From $20.95
SCD41 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature and Humidity in One Sensor I2C Communication C
From $30.95
SCD40 Gas Sensor Module Detects B
From $27.95
ZE25-O3 Ozone Sensor Module for Ozone Monitoring, 0-10ppm Range with Multiple Output Options
From $64.00
5 in 1 Digital PH TDS EC Meter Pen Salinity Temperature Tester Conductivity Filter Purity with Backl
From $26.95
Tuya Combustible Gas Detector Gas Alarm Digital Gas Detection Sensor Sound Alarm Smart Air Quality D
From $21.95
2X SCD41 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature and Humidity in One Sensor I2C Communication B
From $59.00
12V Propane Butane Gas Detector Alarm LPG Natural Gas Leak Sensor for Motorhome Camper Marine Vehicle with LED Flash Sound Alert
From $43.95
Risegun DM1308E Mini PM2.5 Dust+Temperature+Humidity Detector Exceeding Standard Alert (shipped with built-in battery)
From $74.00
Gas Leak Detector Analyzer Carbon Monoxide Sensor Lcd Digital Displayer Natural Gas 2 In 1 Alarm Sy
From $41.95
Plug-in Natural Gas Detector, Digital Display LPG Propane Leak Alarm, Home Kitchen Combustible Gas Monitor for Safety
From $27.95
Portable Air Quality Detector Multifunctional Digital Carbon Dioxide Monitor For Home Bedroom Office
From $22.95
Alcohol Gas Concentration Sensor High Sensitivity Breathalyzer Module Smart Vehicle Detection DIY Projects
From $69.00
Environment X6 Sensor 6 in 1 Odor Sensor IAQ TVOC CO HCHO Temperature and Humidity Detection UART Interface
From $74.00
ZG09 CO2 Gas Sensor 485 Signal Output Module CO2 Module S8 0053
From $43.95