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Shop the best prices on 8,067 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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3,137 - 3,168 of 3,200
5 in 1 Air Quality Detector Semiconductor Sensors HCHO TVOC CO2 Temperature Humidity Tester Air Mon
$29.95 Save $3.00 RRP: $32.95
NOYAFA Portable Formaldehyde Detector Indoor Air Quality Monitor HCHO and TVOC Monitor with ble Alarm LED Indicator for Home HVAC System
$30.95 Save $10.00 RRP: $40.95
CO2 Air Detector Carbon Dioxide Detector Agricultural Production Greenhouse CO2 Monitor Black
$34.95 Save $10.00 RRP: $44.95
Air Quality Monitor,7-in-1 Air Monitor,tester For Carbon Dioxide,tovc,hcho, Pm2.5,pm10
$349.00
Propane Detector 12V LPG Natural Gas Sensor Leak Alarm 85DB Siren for Car RV Home Digital Propane Tester Meter(White)
$89.00 Save $90.00 RRP: $179.00
SCD40 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature and Humidity in One Sensor I2C Communication A
$28.95 Save $15.00 RRP: $43.95
Infrared Air Quality Monitor CO2 Carbon Dioxide Detector Temperature Humidity Meter Built-in
$10.95
Acetylene Gas Detector C2H2 Leak Monitor 0100ppm Sensitivity Alarm IP66 Waterproof
$3,999.00 Save $1,991.00 RRP: $5,990.00
Ad8361 Am Microwave Detector 0.1-2.5ghz Detector Amplitude Viewleaf
$28.95 Save $14.00 RRP: $42.95
Air Monitor Co2 Carbon Dioxide Detector Air Quality Temperature Humidity Monitor Quick Measuring Me Viewleaf
$36.95 Save $15.00 RRP: $51.95
Habotest Portable Gas Leak Detector Gas Analyzer Mini Household Meter Combustible Natural Tester Determine Tester Co2 Sensor Viewleaf
$51.95 Save $22.05 RRP: $74.00
Air-Quality Monitor Pm25 Pm10 Pm10 Detector Indoor Gas Quality Monitors Fit For Cars Home Etc (Pm10 Pm25 Pm10)
$139.00 Save $80.00 RRP: $219.00
Formaldehyde Detector Formaldehyde Monitor Air Quality Monitor Tester For Indoor Home
$69.00 Save $25.00 RRP: $94.00
Handheld Carbon Monoxide Meter, 80Db Light CO Leak Detector, Portable Handheld CO Detector, CO Gas Analyzer
$69.00 Save $25.00 RRP: $94.00
SMART SENSOR AR991 Digital LCD Grain Moisture Meter for Wheat Corn Rice Peanut Soybean
$69.00
SCD40 Gas Sensor Module Detector CO2 Carbon Dioxide Temperature and Humidity Sensor I2C Communicati
$59.00
4pcs Green Mining Gravity Trap Gold Washing Pan Tray Kit Mine Search Detector
$139.00 Save $20.00 RRP: $159.00
PM2.5 Detector, Air Quality Monitor with LED Display 2.8in Household Environment Monitor A1 Communication USB Interface W8H87
$104.00 Save $25.00 RRP: $129.00
8800A Portable Combustible Flammable Gas Detector Leakage Methane Natural Gas Sensor Alarm Meter
$69.00 Save $20.00 RRP: $89.00
UA9800A Gas Detector Large Screen Portable Combustible Gas Leak Alarm Detecting Instrument
$89.00 Save $30.00 RRP: $119.00
Wifi Combustible Gas Alarm Methane Natural Gas Leakage Detector Sound Light Warning With Led Display For Tuya 100240vuk Plug
$119.00
SCD40 Gas Sensor Module Detector CO2 Carbon Dioxide
$54.00 Save $20.00 RRP: $74.00
Air Quality Detector Monitor Indoor Tester Carbon Dioxide Sensor
$119.00 Save $40.00 RRP: $159.00
Portable Ozone Analyzer Intelligent O3 Ozone Meter Gas Detector
$129.00 Save $40.00 RRP: $169.00
DR850 Portable Multi Gas Detector IP65 Waterproof Gas Leak Meter
$169.00 Save $50.00 RRP: $219.00
Type A SMART SENSOR ST8990 Portable Multi Gas Detector 4-in-1 O2 LEL CO H2S Gas Detector Tester
$259.00 Save $230.00 RRP: $489.00
SMART SENSOR AS8800L Portable Flammable Gas Detector Natural Gas Leak Tester Analyzer
$45.95 Save $13.05 RRP: $59.00
US Plug,Hydrogen Sulfide Gas Detector 0-100 PPM with 3 Alarm Modes, H2S Air Quality Meter with Temp & Humidity
$119.00 Save $60.00 RRP: $179.00
Air Pressure Tester Gauge SW512C Digital Manometer HVAC Air Pressure Meter Gauge Differential Air
$89.00 Save $15.00 RRP: $104.00
TPM-200A Carbon Monoxide Sensor Module Interference- High-Precision CO Air Quality Detection Sensor
$10.95 Save $2.00 RRP: $12.95
Gas Detectors, G1 Combustible Gas Detector Ambient Temperature Natural Gas Methane Propane Gasoline Leak Tester, LCD Display
$43.95 Save $20.05 RRP: $64.00
Air Quality Detector Monitor Indoor Tester Carbon Dioxide Sensor Wall-Mounted Co2 Detector Carbon D
$109.00