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Gas Detectors

Shop the best prices on 4,194 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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1,665 - 1,696 of 3,200
Home Plug-In Combustible Gas Leak Detector LCD Screen 85dB Alarm High Precision Sensor Natural LPG Propane Butane Indoor Air Monitor
From $31.95
Gas Leak Detector with Rapid Alarm and Light for HVAC Refrigerant Leak Detection Tools
From $54.00
AO-06 Oxygen Sensor Oxygen Concentration Level Detection Sensor Replaces the MOX4 for Gas Monitoring
From $44.95
MQ135 Air Quality Sensor Module with Reliable Analog Output for Arduino, Gas Detection Board
From $25.95
Handheld Water Quality Detector Probe Plug Type H2 Test Pen IP67 Waterproof YY400H
From $54.00
Gas Detector Pen Type Sensitive Portable Combustible Gas Tester Sensor for Industry Home
From $37.95
PM2.5 Detector Air Quality Monitor Gas Analyzer Dust Sampling Meter HT9600
From $239.00
SPD202/EX Digital Combustible Gas Detector Natural LPG Coal Alarm Tester Meter Tool
From $249.00
SCD41 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature and Humidity in One Sensor I2C Communication B
From $31.95
Water Leak Detector-flood Detector Water Alarm Wireless Water Detectors With Sound And Light Alarm, White
From $59.00
Refrigeration Leak Detector Air Conditioning Refrigerant Fluorine Detection Dog Nose Car Fridge Leak Finder
From $64.00
w Multi Gas Monitor 4 in 1 O2 LEL CO H2S Detector Rechargeable, LCD Display with Backlight Alarm Function, Portable Gas Tester
From $349.00
7 in 1 Emergency Survival Whistle LED Light Thermometer Compass Multi Function Whistle for Hiking Climbing Gray White
From $13.95
4-in-1 Gas Detector CO Alarm, Carbon Monoxide & Gas Leak Detector with Temp Humidity Monitor Digital Display Plug-in Home Safety,New 2026
From $44.95
4-in-1 Gas Detector CO Alarm, Carbon Monoxide & Leak with Temp Humidity Monitor Digital Display Plug-in Home Safety,New 2026
From $43.95
pth-10d Gas Leak Detector, Portable Detector 3-in-1 Temp Humidity Charcoal Detector, Sound Alarm and LE/D Digital Display for Outdoor
From $99.00
Smart LPG Gas Alarm Detector with 2.4G WiFi and EU Plug for Natural Gas Leakage Detection tskj26s Smart LPG Gas Alarm Detecto Temperature Monitoring
From $39.95
1 Pack WiFi Natural Gas Leak Detector for Home Gas Alarm and Monitor with LCD Display Screen Real Time APP Push Notification Drilling/No drilling Ins
From $69.00
DEWIN Air Quality Monitor, Air Quality Monitor Indoor PM2.5 Meter Mini Portable Smart Sensor Temperature Humidity Tester
From $84.00
Risegun 5-in-1 Portable Air Quality Detector PM2.5 HCHO Carbon Dioxide Detector (shipped with built-in battery) (supplier specification W17)
From $74.00
2pcs Digital Carbon Monoxide (co) Detector Alarm Battery Powered
From $36.95
Carbon Dioxide Sensor Infrared CO2 Concentration Detection 5000ppm Gas HAVC RV Smart Home Air Quality Monitor
From $47.95
ANENG GN805 Combustible Gas Leak Detector 50~1000PPM Sound Alarm Gas-sensitive Semi-conduct Analyzer LCD Backight Environmental Tester Tools
From $41.95
MCU‑811 CCS811 Carbon Dioxide Monoxide Numerical Gas Sensor Air Quality Gas Sensor
From $28.95
Refrigerant Leak Detector, Halogen Gas CFC HFC Refrigerant Leak Detector with Buzzer and Indicator Light Halogen Refrigerant Tester R134a U42QZ
From $59.00
Freon Leakage Detector High Sensitivity Auto Calibration Color Screen HVAC Refrigerants Leakage Detector for R12 R22
From $149.00
suitable for Multi Gas Detector Gas Meter O2 H2S CO LEL 4 in 1 Oxygen Hydrogen Sulfide Carbon Monoxide Combustibl-CHENG DU SI XI
From $189.00
20mm Carbon Monoxide Sensor 5000ppm Smart Electrochemical CO Detector Module COAF COBF
From $169.00
Mobile CO2 Monitor NDIR Sensor Carbon Dioxide Detector Indoor CO2 Testing Manager NDIR Sensor with
From $69.00
GMV-2021B MEMS H2 Sensor Hydrogen Gas Leakage Detection Device Hydrogen Detection
From $22.95
SGP40 VOC Sensor Module Dual Gas Environment Detection Industrial Wide Temperature Range STEMMA QT/Qwiic Interface
From $13.95
Halogen Gas Leak Detector for Refrigerant and Fire Suppression Systems, 142g/Year Sensitivity
From $89.00