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Shop the best prices on 3,949 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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161 - 192 of 3,200
Combustible Gas Leak Detector with Sensitivity Sensor and Flexible Probe for Home and Industrial Use
From $119.00
RV Propane Gas Detector 12V Sensitivity Alarm with LCD Display 85dB for Camper Trailer
From $94.00
Combustible Gas Leak Detector with Flexible Probe and Dual Display for Fast Methane Detection
From $149.00
Gas Leak Detector O2 H2S CO LEL, Digital LCD Multi Gas Detector with Real Time Alarms for Home RV
From $449.00
Gas Detector, Portable 4 Gas Detector for H2S O2 CO LEL with Triple Alarm and Backlit LCD Display
From $179.00
Portable Gas Detector ExplosionProof FourinOne Alarm with Pump for Toxic and Combustible Gases C2H4 AGG14A
From $1,099.00
MQ136 Hydrogen Sulfide Gas Sensor Module H2S Gas Detection Sensor Module High Sensitivity Sensor Module
From $21.95
Home Handheld Air Quality Detector CO2 Monitor PM2.5 HCHO For Biochemical Medicine And Agriculture
From $199.00
Smart LPG Gas Alarm Detector with 2.4G WiFi, Temperature Monitoring, and EU Plug for Natural Gas Leakage Detection
From $64.00
5v 1200mah Co2 Tester Hdo5 Air Quality Detector Electricity Temperature Humidity Display Black
From $189.00
Portable Quality Monitor Temperature Humidity Monitor Infrared Ndir Co2 Detector Indoor Co2 Detecti
From $119.00
Gas Detector
From $139.00
1200mah Air Quality Detector Co2 Meter Carbon Dioxide Tvoc Hcho Value Electricity Quantity Temperatu
From $109.00
Air Quality Monitor Formaldehyde Detector Pollution Meter Sensor Tester Detect & Test Indoor Polluti
From $199.00
Portable Ozone Analyzer Multifunctional Intelligent O3 Ozone Meter Gas Detector Sensor Air Quality
From $119.00
4-in-1 Air Quality Monitor, Co2 Detector, Portable Co2 Monitor, Temperature And Relative Humidity W
From $84.00
BME688 Environmental Sensor Module Temperature/Humidity/Air Pressure/Gas AI Intelligent I2C Module
From $29.95
MQ131 Ozone Sensor Module for Accurate Ozone Gas Detection and Monitoring
From $33.95
WiFi Smart Carbon Monoxide Alarm,WiFi CO Gas Detector with Tuya
From $40.95
Tuya Combustible Gas Detector Gas Alarm Gas Detection Sensor,A
From $23.95
MQ131 High Concentration Ozone Sensor Sensor Module Output 10-1000PPM
From $22.95
TPM-200A Carbon Monoxide Sensor Module CO Detection
From $9.95
ZE25-O3 Ozone Sensor Module for Ozone Monitoring, 0-10ppm Range with Multiple Output Options
From $54.00
Smart Sensor Ammonia Detector Ammonia Gas Meter Digital Portable Automotive Ammonia Gas Tester Monitor Nh3 Detector
From $724.00
2X MQ131 High Concentration Ozone Gas Sensor Module for Ozone High Concentration Analog TTL Level Output 10-1000PPM
From $37.95
C8D Dual-Channel (0-5000 Ppm) CO2 Sensor High-Precision Infrared Carbon Dioxide CO2 Concentration Detection Module
From $24.95
MH-Z19 MH-Z19C IR Infrared CO2 Sensor Module Carbon Dioxide Gas Sensor NDIR Accessories
From $15.95
Alcohol Gas Concentration Sensor High Sensitivity Breathalyzer Module Smart Vehicle Detection DIY Projects
From $79.00
5 In 1 Air Quality Monitor Tvoc Hcho Temperature Humidity Co2 Meter, Usb Rechargeable Co2 Detector White
From $59.00
Electrochemical Formaldehyde Sensor Air Quality Detector HCHO TVOC CO2 Tester High Precise Temperature Humidity Test Meter with Voice Alarm Function
From $37.95
For Halogen R134a R410a R22a Air Condition Refrigerant Leak Detector Hvac Checker
From $45.95
Ammonia Gas Sensor NH3 Concentration Air Quality Environmental Monitoring Module Digital Electrochemical SC05-NH3
From $33.95