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Shop the best prices on 4,348 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
Handheld Portable Gas Leak Detector Combustible Gas Determine Tester (leak Detection Type)
From $104.00
Co2 Air Detector Carbon Dioxide Detector Agricultural Production Greenhouse Co2 Monitor White
From $18.95
2 In 1 Version Wifi Function Smart Life Smoke Detector Sensor & Carbon Monoxide Co Gas Detector Smo
From $48.95
Multi-gas Detector Connected With Voice Announcement
From $94.00
Handheld Ozone Detector O3 Meter with Electrochemical Sensor, 0-5000 ppm
From $179.00
A8-NH3 Portable Ammonia Gas Detector High Precision Tester with Alarm
From $199.00
Portable Gas Leak Detector, Handheld Natural Gas Detector with High Sensitivity, LCD Display, Audible Alarm for Combustible Gases
From $35.95
TVOC Sensor Air Quality Transmitter 485 High-Precision Harmful Gas Monitoring Wall-Mounted Tvoc Detector
From $74.00
2X Smart Sensor AS8800L Gas Detector Protable Mini Combustible Gas Leakage Location Determine Tester with Sound
From $94.00
Leak Detector for Air, Water, Gas and Vacuum Testing with 40kHz Sensor, Sound and Light Alerts
From $69.00
Formaldehyde Sensor Module ZE08-CH2O with UART Serial Output for Indoor Air Quality Monitoring
From $35.95
Halogen Refrigerant Leak Detector for Air Conditioning Systems, R22 R134A R410A R1234yf SF6
From $49.95
O3 Ozone Meter Ozone Analyzer Air Detector Intelligent Sensor Ozone Counter Air Quality Pollution Monitor - XC,New 2026
From $219.00
Dc24v Combustible Gas Detector Combustible Gas Alarm For Toxic Gas Detection Industrial Testing,New 2026
From $319.00
Natural Gas Detector and Carbon Monoxide CO Detector,Combustible Gas Detector Monitor for Co, Methan LD,New 2026
From $84.00
European Standard Combustible leakage With Professional Level Component For Natural LPG And Hazard Identification Multicolor,New 2026
From $64.00
Gas Detector Leak Detector Natural Coal Gas Methane Propane Butane Detector Lpg Lng Portable Digital Led Sound Alarm For City Rv Home Mobile,New 2026
From $289.00
The 6in1 Olfactory Sensor Module Supports UART Control Interface,Can Be Connected for ESP32 and Other Main Control Board
From $119.00
Combustible Gas Leak Detector - Handheld
From $109.00
MQ131 High Concentration Ozone Sensor Gas Sensor Module for Ozone High Concentration Analog TTL Level Output
From $30.95
Habotest Ht601a Ht601b Gas Leak Detector 0-1000ppm Sound & Screen Alarm Combustible Flammable Natural Methane Gas Detector
From $84.00
PM2.5 Air Quality Module (PMSA003) Ambient Air Quality Testing Module DC5V Power Supply M5Core Pedestal
From $94.00
Ht61 Pen Type Mini Smart Gas Leak Detector High Low Sensitivity Switch Methane Combustible Flammable Natural Gas Tester Monitor
From $69.00
Portable Air Quality Detector Digital Temperature Humidity Sensor Tester Co2 Carbon Dioxide Tvoc Formaldehyde Hcho Detector New
From $74.00
MH-Z19C Infrared CO2 Sensor for CO2 Monitor MH-Z19C NDIR Gas Sensor CO2 Gas Sensor MH Z19 with Terminal
From $42.95
MS1100 gas sensor module, high- TVOC and CO2 detection
From $12.95
12 in 1 Air Quality Monitor CO2 Monitor with Time/ Date Display WIFI PM2.5 PM10 CO CO2 TVOC HCHO Tester,Black
From $64.00
Portable Propane Methane and Natural Gas Leak Detector Combustible Gas Tester Meter Sniffer with Sound Light Alarm Sensitive Adjustable
From $48.95
Carbon Dioxide Sensor Module CO2 Temperature Humidity Monitor Detection 50ppm Accuracy
From $79.00
Halogen Gas CFC HFC Refrigerant Leak Detector R134a R410a R22a HVAC Checke
From $59.00
Infrared CO2 Sensor Module NDIR Carbon Dioxide Gas Detection Equipment UART PWM Output
From $44.95
Formaldehyde Detector Formaldehyde Monitor Air Quality Monitor Tester for Indoor Home
From $46.95