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Shop the best prices on 8,046 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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2,849 - 2,880 of 3,200
100-240V 1.8in Tft Wireless Anti Theft Smart Alarm Ir Sensor Detector App Control(eu Plug)
$299.00
As8800l Combustible Gas Analyzer Automotive Handheld Combustible Gas Detector
$139.00
Naiwang Carbon Dioxide Detector Portable Air Quality Detector Temperature And Humidity Detection Formaldehyde Detector
$149.00 Save $70.00 RRP: $219.00
Multifunctional Air Quality Tester CO2 TVOC Meter Temperature Humidity Measuring Device with USB Cable
$109.00 Save $70.00 RRP: $179.00
Qukaim CO2 Sensor Module CO2 Sensor Module, Carbon Dioxide Gas Concentration Sensor with Temperature and Humidity Detection, 400-2000ppm, for
$84.00 Save $20.00 RRP: $104.00
Air Quality Monitor Multifunctional LCD Digital Display CO2 Detector Desktop Tester
$99.00 Save $20.00 RRP: $119.00
Mini CO2 Detector,Air Quality Monitor, Infrared CO2 Monitor for Travel Home Indoor,You Can Use Anyw
$74.00 Save $10.00 RRP: $84.00
Tuya 9 in 1 WIFI Air Quality Detector CO2 Gas Tester PM2.5 PM10 TVOC Formaldehyde Monitor LED Displ
$249.00 Save $30.00 RRP: $279.00
ZK30 Multifunctional 5in1 CO2 Meter Digital Temperature Humidity Tester Carbon Dioxide TVOC HCHO Detector Air Quality Monitor
$109.00 Save $40.00 RRP: $149.00
Multifunctional Air Gas Detector with Battery Indicator Formaldehyde Detector CO2 Meter with CO AQI TVOC Sensor Durable
$89.00 Save $30.00 RRP: $119.00
Digital Co2 Meter Detector Multi-function Carbon Dioxide Rechargeable Air Quality Detector Analyzer Co2 Monitor Ndir Detector
$229.00
Gas Detector, Lpg/natural Gas/coal Leak Detector, Plug-in Sensor Monitor With Audible Alarm And Led Number Display, Alarm
$84.00 Save $45.00 RRP: $129.00
4-in-1 Carbon Monoxide Detector,portable Carbon Monoxide Carbon Dioxide Monitor Air Quality Monitor
$109.00 Save $160.00 RRP: $269.00
Air Quality Monitor Formaldehyde Detector TVOC PM2.5/PM10 Tester Multifunctional Air Gas Detector Real Time Data Monitoring Intelligent Real-time Det
$64.00 Save $45.00 RRP: $109.00
CO2 Air Detector Carbon Dioxide Monitor Air Quality Pollution Monitor CO2 Monitor NDIR Sensor Large Screen Tabletop/Wall Mount
$149.00 Save $50.00 RRP: $199.00
5-in-1 Indoor Air Quality Sensor HCHO/TVOC/AQI/CO / CO2 Meter Multifunctional Air Gas Detector Real Time Data Recording
$109.00 Save $40.00 RRP: $149.00
Indoor Multi-Function Home Portable Formaldehyde Detector Air Quality Detector
$74.00 Save $25.00 RRP: $99.00
O3 Ozone Meter Ozone Analyzer Air Detector Intelligent Sensor Ozone Counter Air Quality Pollution Monitor(,)
$199.00 Save $140.00 RRP: $339.00
Ultrasonic Leak Detector 40khz Ultrasonic Transmitter Reliable Detection Gas Leak Detector Led Indicator All-sun Em282
$349.00
Portable Air Quality Monitor Temperature Humidity Monitor Infrared Ndir Co2 Detector Indoor Co2 Det
$439.00
O2 Sensor226A0-EN21A Fstniceted
$74.00
Propane Gas Detector,Digital RV Propane Gas Detector, Using DC 12V, 85dB Loud Alarm, Suitable for Homes and RVs
$32.95 Save $46.05 RRP: $79.00
SCD40 Gas Sensor Module Detects CO2 Carbon Dioxide 2 in 1 Sensor
$25.95 Save $5.00 RRP: $30.95
20-In-1 Tuya WIFI Air Quality Detector 3Pcs Subunits
$119.00 Save $10.00 RRP: $129.00
Combustible Gas Detector Light Sound Alarm HD Color Screen Portable Gas Leak Tester with Lighting
$99.00 Save $30.00 RRP: $129.00
HABOTEST Portable Gas Analyzer HT601B Household Gas Leak Detector Gases Detector PPM Meter Methane Concentration Alarm Instrument
$109.00 Save $40.00 RRP: $149.00
DM162C Intelligent Handheld CO2+Temperature+Relative Humidity Detector CO2 Measuring Instrument Exceeding Limit Alarm ℃/℉ Switch with Clear
$119.00 Save $20.00 RRP: $139.00
4.3 Inch Digital Lcd Display Co2 Detector Air Carbon Dioxide Detector Air Quality Monitor Professional Meter Co2 Concentration
$239.00
Digital Carbon Dioxide Controller CO2 Monitor NDIR Sensing Probe 0-5000ppm Concentration Tester for Greenhouse Plant(EU)
$299.00 Save $110.00 RRP: $409.00
Co2 Detector Dioxide Detector Cultural Co2 Mon (xiatian)
$69.00
6 In 1 Pm2.5 Pm10 Hcho Tvoc Co Co2 Functal Detector Co Dioxide Mon Lcd Lar Screen Display Portable Home
$84.00
WINTACT WT8822 Hydrogen Sulfide Detector Independent H2S Gas Sensor Warning-up High Sensitive Poisoning Alarm Detector
$79.00 Save $20.00 RRP: $99.00