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Shop the best prices on 8,033 great value gas detectors. Shopping for gas detectors is easy with Fruugo, with SALE discounts, offers and savings on Viewleaf, GreenZech, Habicare and more. Buy gas detectors online safely with Fruugo, with secure payment and fast shipping to Canada.

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129 - 160 of 3,200
Multifunctional Electric Magnetic Field Radiation Detector Electromagnetic Radiation Tester Radio Frequency Meter B
$51.95 Save $42.05 RRP: $94.00
High Sensitivity RF Detector Module Discharge Board Envelope Demodulation AM 0.1-3200MHz
$54.00
15 in 1 Air Quality Detector for Smart Home Portable PM0.3 PM1.0 PM2.5 PM10 CO CO2 TVOC HCHO T
$74.00
WiFi 6-in-1 Indoor Air Quality Monitor HCHO TVOC CO 2 CO PM10 PM2.5 Meter Gases Detecting Intelligent Black
$34.95 Save $29.05 RRP: $64.00
EMF Detector, 3in-1 Radiation Meter for EF, , MF, WiFi Signal with 3-Color Sound Light Alarm,Data Hold,for Home
$44.95 Save $39.05 RRP: $84.00
Decibel Meter,Digital Sound Level Meter 30-130db, LED Display Desktop Noise Time Temperature Humidity Meter
$59.00 Save $50.00 RRP: $109.00
Multifunctional Air Quality Meter Indoor HCHO TVOC Carbon Monoxide CO2 PM2.5 PM10 Temperature and Humidity Detector A
$32.95 Save $26.05 RRP: $59.00
OBD2 Scanner Diagnostic Tool Code Reader Fault Code Scanner, Streaming Battery Testing and Code Clearing
$39.95 Save $34.05 RRP: $74.00
Portable Alcohol Tests Professional High Sensitivity Breathalyzer Alcohol Test Digital Breath Alcohol Tester
$21.95 Save $18.00 RRP: $39.95
Air Quality Monitor CO2 HCHO TVOC Tester USB Rechargeable Room Temperature Humidity Meter Gas Analyzers
$39.95 Save $34.05 RRP: $74.00
Type Tuya WiFi Smartir Quality Monitor 6-in-1 PM2.5/Formaldehyde/TVOC/CO2/Temperature/Humidity
$74.00 Save $65.00 RRP: $139.00
HT66 Gas Leak Detector 50-1000PPM Sound Alarm Mini Household Handheld Combustible Natural Methane Gas Leak Detector
$27.95 Save $12.00 RRP: $39.95
4 in 1 Gas Detector CO HHS OO LEL Monitor Digital Handheld Carbon Monoxide Hydrogen Sulfide Air Quality Tester EU PLUG
$129.00 Save $50.00 RRP: $179.00
3 in 1 CO2 Meter Air Quality Monitor Handheld 5000Ppm CO2 Monitor Measurement Carbon Dioxide / Det
$39.95 Save $11.00 RRP: $50.95
6 in 1 PM2.5 PM10 HCHO TVOC CO CO2 Air Quality Detector CO CO2 Formaldehyde Monitor Home Office Air Quality Tester,Black
$26.95
ENS160+AHT21 CARBON Dioxide CO2 ECO2 TVOC Air Quality and Temperature and Humidity Sensor Replace CCS811
$15.95
Electrochemical NH3 Ammonia Gas Sensor Indoor Air Quality Environmental Monitoring SC05-NH3 Random Colors
$36.95 Save $17.05 RRP: $54.00
Carbon Dioxide Controller Dual Channel Split Probe CO2 Monitor CO2 Pressure Reducer Valve for Greenhouse EU Plug B
$249.00 Save $110.00 RRP: $359.00
2C012,13 in 1 Tuya WIFI Air Quality Detector CO2 (with 5 slave units)
$119.00 Save $10.00 RRP: $129.00
Portable High Sensitivity Refrigerant Leak Detector Halogen Leakage Tester Checker Gas Measurement Instruments
$149.00
Wifi Tuya Smart Co2 Detector 3 In 1 Carbon Dioxide Detector
$109.00 Save $50.00 RRP: $159.00
Co2 Air Detector Carbon Dioxide Detector Agricultural Production Greenhouse Co2 Monitor White
$84.00 Save $45.00 RRP: $129.00
8-in-1 Indoor Air Quality Meter, CO2 Detector, WiFi Air Quality Monitor NDIR Sensor CO2 Meter Detect
$159.00 Save $80.00 RRP: $239.00
Wifi Air Quality Detector, High Sensitivity Tvoc Quality Monitor Co2 Carbon Dioxide Sensor Analyzer
$309.00 Save $140.00 RRP: $449.00
Gas Detector Leak Detector Natural Coal Gas Methane Propane Butane Detector Lpg Lng Portable Digital Led Sound Alarm For City Rv Home Mobile
$179.00 Save $80.00 RRP: $259.00
Air Quality Monitor, Aiment 5 in 1 Multifunctional CO2 Detector Carbon Dioxide
$54.00 Save $30.00 RRP: $84.00
Handheld Oxygen Air Quality Monitor High Precision Temperature Humidity O3 Sensor Gas Detector Indoor O3 Quality Monitor
$114.00 Save $35.00 RRP: $149.00
Semiconductor Gas Sensor Combustible Gas Unit MQ I2C Interface Air Quality Detection Module for DIY Development Kit
$21.95 Save $10.00 RRP: $31.95
Indoor Air Quality Monitor Portable CO2 Meter For Grow Tents, Bedrooms, Home - Clear Display, Accurate Readings
$69.00 Save $35.00 RRP: $104.00
Combustible Gas Analyzer G1 Rechargeable Gas Leak Detector For Methane, CO2, LPG, Alcohol Vapors, PPM/LEL Alarm
$64.00 Save $30.00 RRP: $94.00
MH-Z19 Infrared CO2 Sensor Module MH-Z19B 0-5000ppm CO2 Gas Sensor For Arduino Raspberry Pi
$94.00 Save $55.00 RRP: $149.00
Gas Detector Portable Ozone Analyzer O3 Monitor Smart Sensor Air Quality Monitor
$249.00 Save $120.00 RRP: $369.00