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Shop the best prices on 7,836 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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289 - 320 of 7,836
Portable Co2 Monitor Air Quality Humidity Tester Co2 Detector Classrooms Restaurants Co2 Monitor Infrared Ndir Detector unbrand
$189.00 Save $100.00 RRP: $289.00
Counter Smart Counter Morning Bluetooth Smart Counting Ring(4)
$34.95 Save $29.05 RRP: $64.00
Electrochemical CH2O Formaldehyde Sensor Gas HCHO Sensor Module Smart Home Devices
$17.95 Save $6.00 RRP: $23.95
SCD41 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature C
$37.95 Save $2.00 RRP: $39.95
CO2 Meter Alarm Instrument Carbon Dioxide Detector Multifunctional Thermohygrometer Air Quality Detector for Home
$94.00 Save $45.00 RRP: $139.00
Natural Gas Detector 0-10000Ppm,Sensitive Gas Leak Detector with Audible & Visual Alarm,Portable Gas Sniffer
$35.95 Save $15.00 RRP: $50.95
Bestseller Tuya Smart WiFi Natural Gas Leak Detector for Home with EU Plug Combustible LPG Alarm Sensor
$119.00 Save $30.00 RRP: $149.00
CO2 Sensor Module 0‑10000ppm Carbon Dioxide Detection Sensor Board TTL Output for Testing
$59.00 Save $20.00 RRP: $79.00
Air Quality Detector for CO2, CO2 Carbon Dioxide Detector, CO2 Monitor, Air Pollution Temperature and Humidity Detector 6 in 1 Sensor Real-time Displa
$89.00 Save $50.00 RRP: $139.00
WIFI Household Combustible Gas Detector
$69.00 Save $35.00 RRP: $104.00
Portable Ozone Analyzer Multifunctional Intelligent O3 Ozone Meter Gas Detector Sensor Quality Poll Viewleaf
$159.00 Save $60.00 RRP: $219.00
5v 1200mah Co2 Tester Hdo5 Air Quality Detector Electricity Temperature Humidity Display Black
$229.00 Save $120.00 RRP: $349.00
Co2 Air Detector Carbon Dioxide Detector Agricultural Production Greenhouse Co2 Monitor
$129.00 Save $70.00 RRP: $199.00
Gas leak detector with audible and visual alarm
$129.00 Save $60.00 RRP: $189.00
Tuya Wifi Air Quality Monitor Co2 Carbon Dioxide Meter Temperature Humidity Measuring Detector Ndir
$119.00 Save $60.00 RRP: $179.00
Wintact Wt8822 Hydrogen Sulfide Detector Lcd Display H2s Gas Tester Hydrogen Sulfide Concentration
$329.00 Save $180.00 RRP: $509.00
Portable Desktop CO2 Sensor, Professional Air Quality Monitor CO2 Detector with Long Battery Life, Carbon Dioxide Detector, Temperature Relative Humid
$129.00 Save $60.00 RRP: $189.00
Cdg-02 Portable Combustible Gas Detection Liquefied Gas Methane Leakage Alarm Household Detector
$219.00
Pm2019s High-precision Digital Clamp Multimeter 3000a Large Current Clamp Current Clamp
$239.00
Portable Co2 Detector 3 In 1 Air Quality Monitor Temperature Humidity Sensor Tester Bedroom Car Indoor Carbon Dioxide Monitor
$159.00
Tuya WIFI Rechargeable Household Digital Air Quality Detector B
$59.00 Save $10.00 RRP: $69.00
Smart Sensor As5750 Refrigerant Leak Detector High Sensitive Usb Rechargeable Halogen Leak Detector
$159.00
Tpms Wireless Tire Pressure Monitor Detector Tester With 4 Sensors Lcd Display Solar Charging
$279.00
Multi Gas Detector Gas Meter O2 H2S CO LEL 4 in 1 Oxygen Hydrogen Sulfide Carbon Monoxide Combustibl
$169.00 Save $170.00 RRP: $339.00
Portable 4 Gas Detector
$349.00 Save $525.00 RRP: $874.00
Multifunctional Air Detectors, Pollen/co/co2/tvoc/pm2.5/pm1.0/humidity/temperature Carbon Monoxide
$309.00 Save $465.00 RRP: $774.00
Natural Gas Detector and Carbon Monoxide CO Detector,Combustible Gas Detector Monitor for Co, Metha
$69.00 Save $35.00 RRP: $104.00
Electromagnetic Radiation Detector
$299.00 Save $425.00 RRP: $724.00
Digital Co2 Sensor Meter Ppm Pm2.5 Carbon Dioxide Detector Gas Analyzer Air Quality Detect Pm2.5 Meter Detector Pm2.5 Tester
$109.00
2C012,13 in 1 Tuya WIFI Air Quality Detector CO2 (with 3 slave units)
$74.00 Save $65.00 RRP: $139.00
CO2 Monitor, CO2 Detector with 400-5000 PPM Sensor, Sound Alarm, Temperature, Humidity, Powered by Rechargeable Batteries
$104.00 Save $175.00 RRP: $279.00
Gas leak detector with audible and visual alarm
$119.00 Save $90.00 RRP: $209.00