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Shop the best prices on 7,783 great value gas detectors. Shopping for gas detectors is easy with Fruugo, with SALE discounts, offers and savings on Viewleaf, Other, GreenZech and more. Buy gas detectors online safely with Fruugo, with secure payment and fast shipping to Canada.

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2,433 - 2,464 of 7,783
Multi in 1 Air Quality Sensor High Accuracy Particle Concentration Gas Detector for Carbon Dioxide PM2.5
$69.00 Save $10.00 RRP: $79.00
HDC1080 CCS811 Carbon Monoxide CO2 VOCs Air Quality Numerical Gas Temperature Humidity Sensor Modul
$28.95 Save $6.00 RRP: $34.95
Electromagnetic Radiation Detector
$359.00 Save $90.00 RRP: $449.00
Air Quality Monitor Co2 Meter Ndir Gas Analyzer Carbon Dioxide Meter Gas Detector Fine Dust Meter Pm
$524.00 Save $125.00 RRP: $649.00
Digital Formaldeyde Detector Handled Air Quality Monitor Hcho Tvoc Pm1.0 Pm2.5 Pm10 Detector Multifunctional Gas Analyzer
$69.00
SNDWAY SW-723 Gas Detector Carbon Dioxide CO2 Monitor Alarm 9999 PPM Sensor Professional Carbon Dioxide Tester Device COO Meter
$199.00
Digital Carbon Dioxide Controller CO2 Monitor NDIR Sensing Probe 0-5000ppm Concentration Tester for Greenhouse Plant Factory
$129.00 Save $20.00 RRP: $149.00
Carbon Dioxide Detector, CO2 Alarm, Temperature and Humidity Detector
$49.00
Carbon Monoxide Detector CO Air Quality Portable Horizon Monitor
$64.00
Air Quality Detector, Carbon Monoxide Temperature Humidity Detector
$39.95
Portable Carbon Dioxide Detector Air Quality Tester CO2 Meter
$42.95
Oxygen Analyzer Professional Portable O2 Oxygen Concentration Meter Detector Flow Pressure Detection Meter Gas Detector
$189.00
Formaldehyde Sensor Module with UART Output for Industrial and Indoor Air Quality Monitoring
$389.00 Save $210.00 RRP: $599.00
Portable Air Quality Monitor Indoor CO2 Detector 5 in 1 Formaldehyde HCHO TVOC Tester LCD
$31.95
2025 New Portable Combustible Gas Detector Household Natural Gas Leak Detector Semiconductor Sensor LPG CO CH4 Gas Analyzer
$54.00 Save $10.00 RRP: $64.00
Infrareds Carbon Dioxide Detector NDIR CO2 Sensor, Air Quality Monitor With Temperature And Humidity For Car Gym Rooms
$49.95 Save $24.05 RRP: $74.00
Infrareds Carbon Dioxide Detector Portable CO2 Meter And Air Quality Monitor Indoor Travel With Temperature And Humidity
$49.95 Save $24.05 RRP: $74.00
Infrareds Carbon Dioxide Detector CO2 Sensor Car And Gym Rooms Air Quality Monitor With Temperature Relative Humidity
$49.95 Save $24.05 RRP: $74.00
Carbon Dioxide Detector NDIR Sensor, Air Quality Monitor With Digital Display, Upgraded CO2 Detector For Home And Office
$49.95 Save $24.05 RRP: $74.00
Infrareds Carbon Dioxide Detector Portable CO2 Meter Air Quality Monitor Temperature Humidity Sensor Lightweight
$49.95 Save $24.05 RRP: $74.00
Carbon Dioxide Detector Tabletop CO2 Meter With Temperature And Humidity For Car, Gym, Rooms, Offices, Classrooms
$49.95 Save $24.05 RRP: $74.00
MT11N 5-in-1 Infrared Sensor Carbon Dioxide Detector A
$33.95
1PC CJ-702-U Multi-in-One Sensor Module CO2/PM2.5/CH2O/TVOC
$49.00
Halogen Gas CFC HFC Refrigerant Leak Detector R134A R410A R22A For HVAC, HALOG IC Halogen Gas Detector, Ultra Low Power
$69.00 Save $30.00 RRP: $99.00
MT11N 5-in-1 Infrared Sensor Carbon Dioxide Detector B
$38.95 Save $7.00 RRP: $45.95
-2 Smoke Sensor Module for Gas Leak Detector
$16.95 Save $5.00 RRP: $21.95
MICS-4514 Gas Sensor Module Co/No2/NH3/T4 Concentration Detection Board
$46.95
Portable Household Gas Alarm Natural Gas Detector LCD Display EU Plug
$29.95
Leak Detector High Sensitivity R22 R32 R134a Refrigerant HVAC Air Conditioner Freon Gas Leak Temp
$47.95 Save $6.05 RRP: $54.00
Refrigerant Leak Detector 0-1000PPM Air Conditioning HVAC Refrigerant Leak Detector HCFC HFO Tester
$39.95 Save $7.00 RRP: $46.95
Tuya 300m ME204R RF433 Gas Detector LED Display Smart Home Device(EU)
$349.00 Save $50.00 RRP: $399.00
O2 Gas Detector Oxygen Detector Intelligent SENSOR AR8100 Oxygen Detector Rechargeable LCD O2 Gas Meter Oxygen Monitor
$159.00 Save $20.00 RRP: $179.00