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Shop the best prices on 7,632 great value gas detectors. Shopping for gas detectors is easy with Fruugo, with SALE discounts, offers and savings on Viewleaf, GreenZech, Other and more. Buy gas detectors online safely with Fruugo, with secure payment and fast shipping to Canada.

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97 - 128 of 7,632
Magnetic Field Viewing Film,Magnetic Field Detector
$46.95 Save $32.05 RRP: $79.00
Tuya Wifi Gas Leak Detector Combustible Gas Alarm Color Screen Display Temperature for Kitchen Villa
$54.00 Save $35.00 RRP: $89.00
Tuya WIFI Light Sensor Brightness Detector
$69.00 Save $50.00 RRP: $119.00
Digital Alcohol Tester Professional Breathalyzer with LCD Display
$16.95 Save $11.00 RRP: $27.95
Tuya Smart Natural GAS CO Leak Carbon Monoxide Detector WIFI CH4 Methane Combustible Leakage Coal H
$36.95 Save $6.00 RRP: $42.95
Air Quality Monitor 5 in 1 Air Quality Detector C02 Detector HCHO TVOC Tester LCD Temperature Humid
$18.95 Save $1.00 RRP: $19.95
WJL-6000 Freon Leak Detector Halogen Leak Detector R22 R410A R134A R1234YF Refrigerant Gas HVAC Air Conditioner Tester Tool
$69.00 Save $15.00 RRP: $84.00
MICS-5524 Air Quality Gas Sensor Module CO H2 Methane Ethanol Detection Board High Sensitivity for I2C for Arduino DIY
$14.95 Save $7.00 RRP: $21.95
Tuya Wifi Gas Leak Detector Combustible Gas Alarm Color Screen Display Temperature for Kitchen Villa Warehouse
$54.00 Save $25.00 RRP: $79.00
Oxygen Sensor AO-02 Gas Detector Compatible with AO2 AA428-210 AO2PTB-18.10 2pcs unbrand
$64.00
Natural Gas Leak Detector, Plug-in Propane Natural Gas Detector for Home Kitchen RV,Combustible & Gas Alarm US Plug unbrand
$23.95
Mestek Halogen Leak Detector High Sensitivity R22 R32 R134a Refrigerant HVAC Air Conditioner Freon Gas Leak Temp Tester unbrand
$44.95
ANENG HD02 Halogen Leak Detector R22/R32/R134a Gas Detector Analyzer Rechargable Refrigerant Gas Air Conditioning Tester Tool unbrand
$37.95
MQ136 Hydrogen Sulfide Gas Sensor Module H2S Gas Detection Sensor Module High Sensitivity Sensor Module unbrand
$27.95
Portable Ozone Analyzer Multifunctional Intelligent CO O3 Ozone Meter Gas Detector Sensor Air Quality Pollution Monitor unbrand
$32.95
Natural Gas Leak Detector, Plug-in Propane Natural Gas Detector for Home Kitchen RV,Combustible & Gas Alarm US Plug unbrand
$24.95
1PCS Formaldehyde Sensor Module MQ138 MQ-138 Sensor Module unbrand
$28.95
Ozone Detector 3-in-1 Portable O3 /Temperature/Humidity Tester Air Quality Household O3 Monitor USB Charging Black unbrand
$54.00
Portable Household Gas Alarm Natural Gas Detector LCD Display Independent Combustible Gas Alarm US Plug
$29.95 Save $14.00 RRP: $43.95
2.4G Wifi Natural Gas Sensor Combustible Smart LPG Gas Alarm Detector Leakage Sensor Wifi Temperature Detectors EU PLUG
$32.95 Save $15.00 RRP: $47.95
CO2 Air Detector Carbon Dioxide Detector Agricultural Production CO2 Monitor(black)
$94.00 Save $65.00 RRP: $159.00
Air Quality Monitor Digital Formaldehyde Detector Portable PM2.5 PM10 TVOC Sensor Indoor Air Quality Tester
$129.00 Save $70.00 RRP: $199.00
Air Quality Meters Handheld Portable Gas Leak Detector Mini PPM Meter 1000PPM Flammable Natural Gas Analyzer Pen Type
$79.00 Save $40.00 RRP: $119.00
Formaldehyde Detector, Handheld Air Quality Monitor, TVOC Tester for Home, School, Office, Black, Portable, Accurate Measurements
$69.00 Save $35.00 RRP: $104.00
5 in 1 Air Quality Monitor TVOC HCHO Temperature Humidity CO2 Meter, USB Rechargeable CO2 Detector White
$24.95 Save $8.00 RRP: $32.95
CO2 Infrared NDIR Sensor Air Quality Detector Carbon Dioxide Temperature Humidity Monitor Digital Gas Analyzer
$44.95 Save $14.05 RRP: $59.00
3 in 1 CO2 Meter Air Quality Monitor Handheld 5000Ppm CO2 Monitor Measurement Carbon Dioxide / Detector S8601
$25.95 Save $8.00 RRP: $33.95
Mini 3 in 1 LCD Digital Carbon Dioxide Detector Air Quality Tester Multifunction CO2 Thermometer Hygrometer NDIR Sensor
$45.95 Save $13.05 RRP: $59.00
Formaldehyde Monitor Carbon Dioxide Detector TVOC Detector Temperature and Humidity CO 2 Air Quality Monitor Black
$26.95 Save $7.00 RRP: $33.95
Gas Leak Detector with High-Precise Sensor, Flexible Probe, Visual/Audible Alarm, Portable for Home/Industrial Use
$42.95 Save $21.05 RRP: $64.00
K5C Mini Carbon Dioxide Detector CO Tester Air Quality Portable Monitor LED Screen USB Typc-C Charging Indoor B
$54.00 Save $15.00 RRP: $69.00
1000v 20a Universal Digital Multimeter Probe Test Leads Pin Needle Tip Multi Tester Lead Probe
$20.95