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Shop the best prices on 4,352 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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353 - 384 of 3,200
Portable Ozone O3 Detector with Adjustable Alarm Threshold, Handheld Gas Analyser with LCD Display
From $189.00
Handheld Ozone Detector O3 Meter with Electrochemical Sensor, 0-5000 ppm, Rechargeable
From $179.00
Co2 Detector Air Quality Monitor Co2 Air Detector Carbon Dioxide Detector
From $42.95
Naiwang Combustible Gas Leak Detector Analyzer Flammable Natural Gas Leak Location Determine Meter High Sensitivity Alarm Mode Habotest
From $159.00
Natural Gas Leak Detection 50-1000PPM with HT609PRO Gas Leak Detector, 3-Level Sensitivity, Visual Alarm & Temp Humidity Meter
From $64.00
Air Quality Monitor Co2 Meter Ndir Gas Analyzer Carbon Dioxide Meter Gas Detector Fine Dust Meter Pm2.5 Pm10 Hcho Tvoc Detector-xinhan
From $379.00
4X MH-Z19 MH-Z19C IR Infrared CO2 Sensor Module Carbon Dioxide Gas Sensor NDIR Accessories-SHZNV
From $69.00
Portable Carbon Monoxide Detector with Precision Sensor, Fast CO Detection, Dual Alarm, Battery Powered
From $99.00
RV Propane Gas Detector 12V Digital Leak Alarm with 85dB Siren and Adjustable Threshold for Camper Trailer
From $119.00
-Z14B NDIR Infrared CO2 Sensor Module Gas Sensor for CO2 Monitoring 0-5000ppm Z14 Serial UART-PWM OutputJNNJV
From $64.00
Handheld Radiation Detector, Radiation Monitor 0.01μSv/h‑50msv/h 1800mAh 2.4 in TFT LCD Screen Monitor X γ β Rays Radiation Tester
From $159.00
Refrigerant Leak Detector, Halogen Gas CFC HFC Refrigerant Leak Detector with Buzzer and Indicator Light Halogen Refrigerant Tester R134a U42QZ
From $59.00
Risegun Natural Gas Detector, High Sensitivity Gas Leak Detector Combustible Gas Tester Ambient Temperature Natural Gas Methane Propane Gasoline
From $49.95
5Pcs Air Pollution Sensor JW01C02V2.2 VOC Air Quality Detection Module ZP07 MP503 for C02 Benzene F
From $18.95
CO2 Air Quality Monitor, WiFi 3 in 1 Carbon Dioxide Humidity Temperature Air Tester
From $129.00
Mini Air Ion Tester Counter, 1 PCS Mini Car Air Ion Tester with a Wrist Strap Meter Counter for Negative Air Ion Generator A3DK8
From $119.00
Tuya WiFi Digital LED Display CO Detector Portable Carbon Monoxide Tester Multifunctional Temperature and Humidity Test Meter Electrochemical CO
From $79.00
1 PCS Mini Car Air Ion Tester Meter Counter for Negative Air Ion Generator
From $119.00
Digital Level Box Backlit LCD Display Magnetic Base 4 X 90° Mini Angle Gauge Meter Finder Protractor for Automotive Motorcycle Red
From $43.95
Ht609 Gas Leak Detector Combustible Gas Detector with LCD Display Sound and Light Alarm Ambient Temp
From $99.00
High-precision -604 Refrigerant Leak Detector Halogen Leak Detector Freon Leakage Tester Refrig
From $109.00
Refrigerant Leak Detector Hvac Checker For Halogen R134a R410a R22a Air Condition
From $64.00
High-precision NF-604 Refrigerant Leak Detector Halogen Leak Detector LCD Freon Leakage Tester Refrig
From $99.00
Gas Leak Detector with Audible & Visual Alarm Portable Gas Sniffer Combustible Gas Leak Tester compatible with Home and RV
From $29.95
50-1000PPM Professional Gas Leak Detector Methane Liquefied Gas Leak Detector Combustible Gas Analyzer with Audible Visual Alarm
From $29.95
5-In-1 Indoor Air Quality Detector For Hcho/Tvoc/Aqi/Co / Co2 Air Gas Detector
From $59.00
Indoor Co2 Sensor Co2 Meter Digital Air Detector Intelligent Air Quality Analyzer
From $38.95
Smart Sensor 4 In 1 Gas Monitor Rechargeable Portable Gas Detector Hs O Co And Lel Multi Gas Monit Viewleaf
From $139.00
Oxygen Sensor AO-02 Gas Detector Compatible with AO2 AA428-210 AO2PTB-18.10
From $79.00
4 in 1 CO CO2 Detector Alarm Temp Humidity Sensor HD LCD Display CO CO2 Temperature Humidity Detector for Indoor Outdoor
From $59.00
Portable Flammable Gas Leak Detector for Methane and Butane, High-Sensitivity CH4 C4H10 Tester
From $74.00
Air Conditioning Halogen Gas Leak Detector SW743A with Flexible Probe
From $89.00