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Shop the best prices on 4,292 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.

Filters
2,881 - 2,912 of 3,200
Halogen leak detector for refrigerants including R1234YF R410A
From $64.00
MQ-131 MQ131 MQ 131 Ozone Sensor Oxygen Gas Sensor Module for Ozone Low/High Concentration Exceeded Alarm
From $36.95
4-in-1 Multi Gas Detector: O2, H2S, CO, LEL - Combustible Gas & Toxic Gas Leak Detector
From $249.00
AR8100 Oxygen Detector O2 Gas Meter Rechargeable 025% Monitor with LCD Display and Fast Detection (US Plug 110V)
From $279.00
Digital Natural Gas Detector Home Gas Alarm Gas Leak Detector High Sensitivity LPG LNG Natural Coal Leak Detection Home/Kitchen Alarm Monitor Ternel
From $31.95
Portable Multi Gas Detector Long Battery Life & Rechargeable Convenience For Work & Home Safety,26S
From $37.95
Gas Leak Detector Propane Natural Gas Alarm with LCD Screen High Decibel Battery Powered Mini Portable Combustible Gas Leak Detector_xi 2025
From $64.00
CO Gas Sensor Carbon Monoxide Sensor UART Digital Output SC16B-CO (0-1000PPM)
From $17.95
1PCS Formaldehyde Sensor Module MQ138 MQ-138 Sensor Module
From $26.95
For YYS Electrochemical Ozone O3 Gas Sensor Module for Ozone Concentration Detection Disinfection Cabinet SC01-O3
From $17.95
Handheld Combustible Gases Leak Detector Natural Gases Leakage Tester Portable PPM Meter Combustible Gases Analyzer Pen
From $69.00
14-in-1 Indoor Air Quality Monitor Tuya WiFi Air Quality Detector Detects CO₂ CO TVOC HCHO
From $104.00
And EU Plug for Natural Gas Leakage Detection tskj26s Smart LPG Gas Alarm Detecto Temperature Monitoring Smart LPG Gas Alarm Detector with 2.4G WiFi
From $39.95
Gas Detector Plug in Light Warning Gas Sniffer for Industrial Home RV
From $19.95
HABOTEST HT60 Portable Gas Leak Detector Handheld Combustible Gas Detector with Audible and Visual
From $33.95
2X mh-z19b infrared co2 sensor module mh-z19b carbon dioxide gas sensor for co2 monitor 0-5000ppm
From $84.00
2026 Suitable Suitable Freon Leak Detector, WJL-6000 Refrigerant HVAC Leak Detector, Halogen Gas Sniffer
From $26.95
Gas Detector Pen Type Sensitive Portable Combustible Gas Tester Sensor for Industry Catering
From $21.95
SC03-C2H5OH Alcohol Gas Detection Module High Precision Ethanol Sensor for Breathalyzer Gas Monitoring Equipment
From $26.95
Oxygen Detector Meter Monitor High Accuracy Handheld Portable Concentration Measurement for Home O2 Gas
From $179.00
Combustible Gas Detector 5050000PPM LCD Display Screen Portable Gas Leak Tester for Pipeline
From $69.00
9 in 1 Air Quality Monitor CO2 Meter Carbon Dioxide Detector CO2 CO TVOC HCHO PM2.5 PM1.0 PM10
From $84.00
Mh-z19 Mh-z19e Ir Infrared Co2 Sensor Module Carbon Dioxide Gas Sensor Ndir For Co2 Monitor 400-5000 Viewleaf
From $54.00
5 In 1 Multifunction Air Quality Monitor With Led Display Air Pollution Detector For Co/co2/hcho/aq Viewleaf
From $47.95
Zigbee/tuya Wifi Smart Air Box Carbon Dioxide Detector Co2 Gas Sensor Formaldehyde Voc Temperature Viewleaf
From $54.00
Intelligent voice-activated gas leak detector, digital display liquefied petroleum gas detection device with drive solenoid valve
From $329.00
Professional Formaldehyde Detector for Home Indoor Air Quality Self-Testing
From $25.95
Co2 Air Detector Carbon Dioxide Detector
From $32.95
Multimeter Probes, Electronic Multimeter Test Lead Kit With Alligator Clips, 1000v20a Detector Pen And Smd Test Lead For Multimeters
From $59.00
OCS-3F2.1 Ultrasonic Oxygen Sensor Oxygen Concentrator for Arduino Detects Purity and Flow 21-95.6% 0-20L, 0-2.5V Analog
From $28.95
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 $64.00
Combustible Gas Leak Detector with Flexible Stainless Steel Probe and Audible Alarm
From $74.00