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Gas Detectors

Shop the best prices on 4,317 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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2,529 - 2,560 of 3,200
SCD40 Gas Sensor Module 2.4-5.5V Detects CO2 Carbon Dioxide Temperature and Humidity Sensor I2C Communication
From $47.95
Distillery Refractometer Alcohol 0-80% V / V Alcohol Meter Denuotop
From $41.95
SCD30 Module Air Quality Gas Sensor for CO2 and RH/T Measurement of Carbon Dioxide Gas Sensors
From $27.95
Semiconductor Gas Sensor Combustible Gas Unit MQ I2C Interface Air Quality Detection Module for DIY Development Kit
From $22.95
MICS6814 Gas Sensor for CO VOC NH3 NOx Detection, Reliable Air Quality Monitor 2025
From $79.00
Ht61 Gas Leak Detector Pen 0-1000ppm With Lcd Display Alarm Combustible Natural Methane Gas Detect
From $69.00
ZigBee Natural Gas Sensor Smart LPG Gas Leak Alarm Detector for Home Fire Protection EU Plug Compatible
From $48.95
Portable Gloss Meter -300 SE with 0.2GU High Accuracy
From $199.00
Tuya WIFI Combustible Gas Detector Gas Alarm Gas Detection Sensor,B
From $30.95
2Pcs SCD30 Air Quality Sensors Module
From $38.95
Temperature Humidity Meter Air Quality Dust Concentration Detector
From $329.00
4-in-1 Multi Gas Detector: O2, H2S, CO, LEL - Combustible Gas & Toxic Gas Leak Detector
From $249.00
5pcs Magnetic Lightweight Gas Level Indicator for Travel Camping Caravan
From $69.00
Mini Small Pocket Gas Leak Detector Camping Travel Home Alarm LED Indicators Electus
From $139.00
Natural Gas and Combustible Gas Leak Detector with Adjustable Sensitivity, Dual Alarm, MultiGas Detection
From $119.00
OCS-3F2.1 Ultrasonic Oxygen Sensor Oxygen Concentrator for Arduino Detects Purity and Flow 21-95.6% 0-20L, 0-2.5V Analog
From $31.95
8800A Mini Combustible Gas Leak Detector Pen with Audible Visual Alarm for Home and Industrial Use
From $69.00
Portable Flammable Gas Detector with Flexible Stainless Steel Probe
From $74.00
Halogen Refrigerant Leak Detector for Air Conditioning Systems, HVAC Gas Tester for R22 R410A R134A R1234YF
From $64.00
Gas Detector with External Sampling Pump and Digital Display
From $74.00
Portable Handheld Ozone Gas Detector Air Quality Monitor with 2.8" LCD Display
From $179.00
ZE08-CH2O Formaldehyde Gas Sensor Module with UART, Analog & PWM Output
From $43.95
Refrigerant Leak Detector Tester, High Sensitivity Portable Leak Analyser for HVAC & Auto AC
From $94.00
MICS-6814 VOC NH3 Air Quality Sensor Module for Indoor Air Monitoring
From $79.00
3-In-1 CO Carbon Monoxide Monitor CO Temperature and Humidity Detector CO Air Quality Monitor HD LED Screen Gray
From $99.00
Portable Ozone Analyzer Multifunctional Intelligent O3 Ozone Meter Gas Detector Sensor Air Quality
From $179.00
Handheld Carbon Monoxide Meter, 80Db CO Leak Detector,CO Gas Analyzer
From $89.00
2026 Best!! Freon Leak Detector, Wjl-6000 Refrigerant Hvac Leak Detector, Halogen Gas Sniffer
From $74.00
Co2 Meter Digital Tester Carbon Dioxide Detector Air Quality Monitor Co2 Tester Black
From $159.00
4-in-1 Gas Detector, CO and Natural Gas Alarm with Temperature Humidity Monitor, Digital Display, Plug-in for Home Kitchen RV
From $43.95
LD600 Freon Leak Detector Combustible Gas Detector Air Conditioning Refrigerant Leak Detector with 16-Inch Probe
From $209.00
2026 New X4A Temperature Humidity Tester Meter Combustible Gas Natural Gas Detector Sensor Leak Alarm Indic
From $41.95