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Shop the best prices on 5,324 great value gas detectors. Shopping for gas detectors is easy with Fruugo, with SALE discounts, offers and savings on Viewleaf, GreenZech, Other and more. Buy gas detectors online safely with Fruugo, with secure payment and fast shipping to Canada.

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97 - 128 of 3,200
3-In-1 CO Carbon Monoxide Monitor CO Temperature and Humidity Detector CO Air Quality Monitor HD LED Screen Orange
From $69.00
AC100-260V Automatic Water Level Controller XKC C352 3P Non Contact Liquid Level Sensor for Tank Water Automatic Filling
From $74.00
Refrigeration Leak Detector Air Conditioning Refrigerant Fluorine Detection Dog Nose Car Fridge Leak Finder
From $64.00
PM2.5 Dust Detector, Household Indoor Laser Meter, Air Quality Testing Instrument, Gas Detector
From $54.00
2X MQ136 Hydrogen Sulfide Gas Sensor Module H2S Gas Detection Sensor Module High Sensitivity Sensor Module
From $42.95
Gas Leak Detector with High-Precise Sensor, Flexible Probe, Visual/Audible Alarm, Portable for Home/Industrial Use
From $40.95
CY-12C Portable Oxygen Analyzer Oxygen Concentration Tester Handheld Oxygen Tester Analysis Instruments
From $129.00
Portable Household Gas Alarm Natural Gas Detector LCD Display Independent Combustible Gas Alarm EU Plug
From $26.95
Portable Household Gas Alarm Natural Gas Detector LCD Display Independent Combustible Gas Alarm US Plug
From $27.95
Tuya Combustible Gas Detector Gas Alarm Digital Gas Detection Sensor Sound Alarm Smart Air Quality D
From $38.95
CO Gas Sensor Carbon Monoxide Sensor UART Digital Output SC16-CO
From $33.95
-6000UV Halogen Leak Detector Freon Leak Detector R22 R410A R134A R1234YF Refrigerant Gas Air Conditioner Tester Tool
From $59.00
3X MH-Z19 MH-Z19E IR Infrared CO2 Sensor Module Carbon Dioxide Gas Sensor NDIR for CO2 Monitor 400-5000Ppm UART PWM(A)
From $89.00
The 6in1 Olfactory Sensor Module Supports UART Control Interface,Can Be Connected for ESP32 and Other Main Control Board
From $119.00
4in1 RS485 Remote Monitoring Greenhouse CO2 Temperature Humidity Light Sensor CO2 Gas Transmitter Sensor 2000ppm
From $94.00
MQ138 Formaldehyde Gas Detection Sensor Formaldehyde Sensor Module Gas Sensor High Sensitivity 4.5-5.5V 10A TTL
From $37.95
ENS160 CCS811 Carbon Monoxide CO VOCs Air Quality Numerical Gas Sensor Module for Arduino,Air Monitoring Detection Board
From $14.95
For YYS Electrochemical Ozone O3 Gas Sensor Module for Ozone Concentration Detection Disinfection Cabinet SC01-O3
From $19.95
SCD41 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature B
From $29.95
Soil N,P,K Temperature Sensor Nitrogen Phosphorus Potassium Detector
From $129.00
MQ137 Ammonia Gas Detection Sensor Module NH3 Gas Sensor Module
From $19.95
BME688 Environmental Sensor BME688 Temperature and Humidity Atmospheric Pressure VOC Gas Detection Sensor Module
From $25.95
4-in-1 Multi Gas Detector: O2, H2S, CO, LEL - Combustible Gas & Toxic Gas Leak Detector
From $339.00
1PCS Formaldehyde Sensor Module MQ138 MQ-138 Sensor Module
From $27.95
Portable Propane Methane and Natural Gas Leak Detector Combustible Gas Tester Meter Sniffer with Sound Light Alarm Sensitive Adjustable
From $169.00
As8800l Combustible Gas Analyzer Automotive Handheld Combustible Gas Detector
From $199.00
Freon Leak Detector, Wjl-6000 Refrigerant Hvac Leak Detector, Halogen Gas Sniffer
From $89.00
Handheld Monoxide Meter, 80db Co Leak Detector, Portable Handheld Co Detector, Co Gas Yzer
From $149.00
Infrared CO2 Sensor Module for Accurate CO2 Monitoring for Air Quality Testing
From $19.95
OCS-3F2.1 Ultrasonic Oxygen Sensor Oxygen Concentrator for Arduino Detects Purity and Flow 21-95.6% 0-20L, 0-2.5V Analog
From $33.95
Wide Temperature Range Industrial Dual Gas Detection SGP41 VOC Sensor Module with STEMMA QT/Qwiic Interface
From $30.95
SGP41 VOC Sensor Module Dual Gas Environment Detection Industrial Wide Temperature Range STEMMA QT/Qwiic Interface
From $17.95