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Shop the best prices on 7,784 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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609 - 640 of 7,784
SFD-02 4-in-1 Indoor Air Quality Monitor Touch Screen Formaldehyde Detector HCHO TVOC Temperature T
$94.00 Save $55.00 RRP: $149.00
MICS-4514 Gas Sensor Module Co/No2/NH3/T4 Concentration Detection Board
$48.95 Save $25.05 RRP: $74.00
Tuya Smart Data Storage Oxygen Concentration Air Detector Outdoor Camping Carbon Monoxide Temperatur
$104.00 Save $55.00 RRP: $159.00
Multi Gas Detector Gas Meter O2 H2S CO 4 in 1 Oxygen Hydrogen Sulfide Carbon Monoxide Combustible Ga
$149.00 Save $80.00 RRP: $229.00
Carbon Dioxide Detector, CO2 Alarm, Temperature and Humidity Detector, Household Air Quality Monito
$64.00
Handheld Combustible Gases Leak Detector Natural Gases Leakage Concentration Analyzer Meter Sound L
$45.95
HABOTEST HT60 Portable Gas Leak Detector Handheld Combustible Gas Detector with Audible and Visual
$25.95
WT8811 4 in 1 Gas Monitor Detector Combustible CO H2S Oxygen Gas Tester DC100240V
$359.00 Save $60.00 RRP: $419.00
Carbon Monoxide Detector CO Gas Household Monitoring Poisoning Sensor AB074
$34.95 Save $24.05 RRP: $59.00
Smart CO2 Detector - YOUKUKE - Multi-detection - 400-5000PPM
$54.00 Save $40.00 RRP: $94.00
Home Air Quality Detector Multifunctional CO2-Temperature-Humidity Monitor PPM TVOC Sensor White
$54.00 Save $40.00 RRP: $94.00
Home Air Quality Detector Multifunctional CO2-Temperature-Humidity Monitor PPM TVOC Sensor White
$59.00 Save $40.00 RRP: $99.00
Air Quality Monitor CO2 Air Detector Carbon Dioxide Detector Temperature Humidity Sensor Real Time Reading
$59.00 Save $150.00 RRP: $209.00
Gas Leak Detector with High-Precise Sensor, Flexible Probe, Visual/Audible Alarm, Portable for Home/Industrial Use
$45.95 Save $33.05 RRP: $79.00
MICS-5524 Air Quality Gas Sensor Module CO H2 Methane Ethanol Detection Board High Sensitivity for I2C for Arduino DIY
$15.95 Save $11.00 RRP: $26.95
2X SCD41 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature and Humidity in One Sensor I2C Communication B
$69.00 Save $40.00 RRP: $109.00
Air Quality Monitor Co2 Meter Ndir Gas Analyzer Carbon Dioxide Meter Gas Detector Fine Dust Meter Pm2.5 Pm10 Hcho Tvoc Detector-xinhan
$449.00 Save $650.00 RRP: $1,099.00
Dioxide Detector 400-5000 Ppm Co2 Er Detector Yzer Temp Humidity
$139.00 Save $180.00 RRP: $319.00
9-in-1 Air Quality Monitor with CO2 Alarm | Indoor Portable VOC Sensor | Air Detector Tester
$199.00 Save $220.00 RRP: $419.00
Mini Indoor Carbon Dioxide Concentration Detector Portable Air Quality Monitoring Co2 Detector
$94.00 Save $145.00 RRP: $239.00
Air Quality Monitor Formaldehyde Detector Pollution Meter Sensor Tester Detect & Test Indoor Polluti
$319.00 Save $455.00 RRP: $774.00
MG811 CO2 Sensor Sensor Module
$35.95 Save $9.00 RRP: $44.95
5 in 1 Air Quality Monitor TVOC HCHO Temperature Humidity CO2 Meter, USB Rechargeable CO2 Detector
$30.95 Save $23.05 RRP: $54.00
Combustible Gas Detection Unit -5 Gas Detection Unit Integrated STM32 Controller STM32G030 Communication Interface
$24.95
Household Air Quality Detector Multifunctional CO2 Tester with Carbon Dioxide TVOC HCHO Value Electricity Quantity Temperature Humidity Display
$54.00 Save $20.00 RRP: $74.00
New Digital Alcohol Tester Sound and Light Alarm Traffic Home Investigation Alcohol Tester LCD Display Police Breathalyz
$20.95 Save $3.00 RRP: $23.95
Tuya WiFi Air Quality Monitor CO2 Carbon Dioxide Meter
$79.00 Save $15.00 RRP: $94.00
Air Quality Detector Gas Analyzer Thermometer Hygrometer Co2 Tester
$59.00 Save $10.00 RRP: $69.00
Air Quality Monitor CO2 Meter Carbon Dioxide Detector Silver
$59.00 Save $10.00 RRP: $69.00
CO2 Detector CO2 Monitor Carbon Dioxide Temperature Humidity Meter
$59.00 Save $10.00 RRP: $69.00
K5C Mini Carbon Dioxide Detector CO Tester LED Screen USB Typc-C B
$59.00 Save $10.00 RRP: $69.00
MG811 CO2 Sensor Sensor Module
$36.95