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Shop the best prices on 7,835 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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1,633 - 1,664 of 7,835
Multi-in-1 Air Quality Sensor - High Accuracy Gas Detector compatible with Carbon Dioxide PM2.5 with Particle Concentration
$84.00 Save $55.00 RRP: $139.00
3 in 1 CO2 Meter Air Quality Monitor Handheld 5000Ppm CO2 Monitor Measurement Carbon Dioxide / Detector S8601
$26.95
MESTEK Gas Analyzer Meter Automotive Combustible Gas Sensor Detector Air Quality Monitor Gas Leak Detectors with Alarm
$119.00 Save $40.00 RRP: $159.00
Portable Gas Leak Detector Gas Analyzer Mini Household Meter Combustible Natural Tester Determine
$43.95 Save $30.05 RRP: $74.00
WiFi 5 in 1 Air Quality Detector USB Multifunctional Automatic Display CO2, HCHO, TVOC Temperature H
$18.95 Save $4.00 RRP: $22.95
Multi Gas Detector Gas Meter O2 H2S CO LEL 4 in 1 Oxygen Hydrogen Sulfide Carbon Monoxide Combustible Gas Leak Detector unbrand
$249.00 Save $50.00 RRP: $299.00
Multifunctional Air Quality Detector Formaldehyde Tester Indoor Air Monitor AC100‑240V
$209.00 Save $60.00 RRP: $269.00
Gas Detector Analyzer Air Quality Monitor Co2 Meter Carbon Dioxide Detector Temperature Humidity Monitor Co2 Alarm Function
$139.00
Wificombustible Alarm Digital Combustible Detection Instrument Gas Leak Tester Intelligent Air Quality Detector
$74.00
Multi Meter O2 H2s Co Lel 4 In 1 Oxygen Hydrogen Sulfide Carbon Monoxide Combustible Gas Leak Detector
$339.00
Air Quality Monitoring Carbon Dioxide Detector Ndir Channel Sensor 0-5000 Ppm Range
$329.00
3IN1 CO2 Monitor, Portable Carbon Dioxide Air Quality Monitor WiFi Indoor CO2 Air Quality Monitor Test Temperature and Humidity with Large LCD
$129.00 Save $20.00 RRP: $149.00
EVAGO Multifunctional 5in1 Co2 Meter Digital Temperature Humidity Tester Air Quality Monitor Carbon Dioxide Tvoc Hcho Detector
$149.00 Save $60.00 RRP: $209.00
4 In 1 Air Quality Detector Co2 Tester Lcd Digital Carbon Dioxide Temperature Humidity Detector Air Quality Monitor Ndir Sensor
$159.00
Air Quality Detector Co2 Tester With Carbon Dioxide Tvoc Hcho Value Electricity Quantity Temperature Humidity Display Function
$74.00
Combustible Gas Detector Analyzer Monitor Sound Alarm Analog Bar Aalrm Temp Lcd Screen With Flexible Probe 50000 Ppm 100% Lel
$104.00
Air Quality Monitor Formaldehyde TVOC Data Record Gas Detector for Dust Indoor Pollution Tester Particulate Analyzer
$69.00 Save $25.00 RRP: $94.00
Air Quality Detector Multifunctional Carbon Dioxide Co2 Tester Tvoc Hcho Value Electricity Quantity Temperature Humidity Display Function unbrand
$99.00 Save $50.00 RRP: $149.00
smart sensor combustible gas detector digital combustible gas detection instrument hand-held gas
$229.00 Save $110.00 RRP: $339.00
Multifunctional Air Quality Monitor CO2 Meter HCHO CO Temp Humidity Analyzer Formaldehyde Detector for Office Home House
$94.00 Save $35.00 RRP: $129.00
Air Quality Detector Monitor Accurate Tester with CO CO2 HCHO AQI TVOC Sensor Multifunctional Air Gas Detector Real Time
$99.00 Save $30.00 RRP: $129.00
Professional Formaldehyde Monitor Detector with HCHO/PM2.5/TVOC Accurate Testing Air Quality Detector Indoor House
$129.00 Save $40.00 RRP: $169.00
Multifunctional Air Gas Detector Formaldehyde Air Quality Monitor Home Office Various Occasions
$94.00 Save $35.00 RRP: $129.00
Indoor Multi-Function Home Portable Formaldehyde Detector Air Quality Detector Harmful Gas Detector Temperature Humidity Meter
$84.00 Save $25.00 RRP: $109.00
5-in-1 Indoor Air Quality Sensor Hcho/tvoc/aqi/co / Co2 Meter Multifunctional Air Gas Detector Real Time Data Recording
$84.00 Save $35.00 RRP: $119.00
CO2 Air Detector 3-In-1 Indoor CO2 Detector Air Quality Monitor Detects CO2 Home Office Light-And-S
$84.00 Save $15.00 RRP: $99.00
14 in 1 Air Quality Monitor Tuya WIFI CO/CO2 Detector Real Time Monitoring BIG Display Home Air Tes
$64.00 Save $5.00 RRP: $69.00
Tuya WiFi Digital LED Display CO Detector Portable Carbon Monoxide Tester Multifunctional Temperature and Humidity Test Meter Electrochemical CO
$84.00 Save $15.00 RRP: $99.00
Tuya 9 in 1 WIFI Air Quality Detector CO2 Gas Tester PM2.5 PM10 TVOC Formaldehyde Monitor LED Displ
$169.00
SMART SENSOR Hand-held CFCs HCFCs HFCs Halogen Gas Detector Refrigerant Air Conditioning Detector Freon Gas Leak Tester
$89.00 Save $20.00 RRP: $109.00
Handheld Combustible Gases Leak Detector Natural Gases Leakage Analyzer Tester Portable Gases Leak Location Determine Meter with Sound and Light Alarm
$139.00 Save $10.00 RRP: $149.00
Mini Portable Co2 Detector - Home Co2 Sensor - Devices Measuring Indoor Air Quality - Carbon Dioxide Measurement And Meter - Hygrometer With Humidity
$89.00