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Shop the best prices on 8,056 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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961 - 992 of 3,200
Multifunctional Electric Magnetic Field Radiation Detector Electromagnetic Radiation Tester Radio Frequency Meter A
$52.95 Save $41.05 RRP: $94.00
DC12V Plasma Generator High Density Plasma Ionizer Remove Smoke Dust Air Purifiers Negative Ion Anion Generator Ionizer
$44.95 Save $34.05 RRP: $79.00
Gauss Meter,2% Accuracy Magnetometer,Precision Industrial 0-2500mT -Meter, Rechargeable Gaussmeter with Hall Probe
$139.00 Save $100.00 RRP: $239.00
24V Digital Gauge Cluster Panel Display RPM Fuel Level Oil Pressure Water Temp Voltage 7 Color Backlight for RV Boat
$259.00 Save $200.00 RRP: $459.00
Gas Leak Detector 803 Oxygen Gas Detector Oxygen Gas Detector 803 Blue Digital Display Oxygen Gas Leak Detector 10-+50
$119.00 Save $90.00 RRP: $209.00
Freon Leak Detector Halogen Leak Detector R22 R410A R134A R1234YF Refrigerant Gas HVAC Air Conditioner Tester
$51.95 Save $42.05 RRP: $94.00
Automotive Relay Tester, Car Diagnostic Tool, 12V High Precision Circuit Tester,for Quick Battery Testing
$34.95 Save $29.05 RRP: $64.00
Alcohol Detector Tester Air-Blown High-Precision Electrochemical Alcohol Detector Household Measuring Instrument
$59.00 Save $45.00 RRP: $104.00
MT300H Hay Moisture Meter LCD Digital Display for Straw Pasture Wheat Digital Moisture Analyzer Humidity Detector Tester
$69.00 Save $50.00 RRP: $119.00
T300 OBD2 Scanner Superior Diagnostic Tool Check Engine Code Reader with Reset Mode 6 Mode 8 Readiness for All Cars
$52.95 Save $41.05 RRP: $94.00
FPM-02 Mini Light Meter Digital Professional Luxometer 99990Lux Illuminometer Photometer Light Lux Meter
$59.00 Save $45.00 RRP: $104.00
NDIR CO2 Sensor Infrared Carbon Dioxide Sensor Module with Serial Port PWM Analog Output CO2 Gas Detector Module MH-Z14B
$41.95 Save $12.05 RRP: $54.00
Handheld Combustible Gases Leak Detector Natural Gases Leakage Tester Portable PPM Meter Combustible Gases Analyzer Pen
$29.95 Save $9.00 RRP: $38.95
SMART SENSOR Handheld Ammonia Gas Detector Digital NH³ Gas Tester 0-100PPM Ammonia Gas Meter with Large LCD Display
$299.00 Save $90.00 RRP: $389.00
Multifunctional 5in1 CO2 Meter Digital Temperature Humidity Tester Air Quality Monitor Carbon Dioxide TVOC HCHO Detector
$64.00 Save $20.00 RRP: $84.00
Handheld Ammonia Gas Detector 0~100 PPM Digital NH³ Gas Tester with LCD Display Temperature(℉/℃) Humidity Ammonia Gas Monitor for Poultry Farm
$229.00 Save $60.00 RRP: $289.00
10 in 1 Air Quality Monitor HCHO TVOC PM2.5 PM10 CO CO2 Temperature&Humidity Tester Carbon Dioxide Detector Black
$40.95 Save $12.00 RRP: $52.95
Gas Leak Detector Natural Gas Detectors Combustible Gas Detector
$34.95
Quality Monitor,upgraded Accurate Sensor Co2 Detector 8 In 1 Quality Detector For Co2 Pm2.5/pm10 Formaldehyde Viewleaf
$269.00 Save $110.00 RRP: $379.00
Asair Acd10 Electronic Carbon Dioxide Sensor Module Infrared Ndir High-precision Co2 Gas Concentration Detection
$35.95 Save $23.05 RRP: $59.00
Naiwang Combustible Gas Leak Detector Analyzer Flammable Natural Gas Leak Location Determine Meter High Sensitivity Alarm Mode Habotest
$169.00 Save $100.00 RRP: $269.00
CO Gas Sensor Carbon Monoxide Sensor UART Digital Output SC16B-CO (0-1000PPM)
$24.95 Save $4.00 RRP: $28.95
Natural Gas Detector, Gas with Audible and Visual Alarm, Portable DetectorNatural Gas Detector, Gas with Audible and Visual Alarm, Portable Detector
$49.95 Save $79.05 RRP: $129.00
Gas Detector Combustible Gas Oxygen Hydrogen Sulfide Carbon Monoxide 4 in 1 Detector US Plug AC100240V NO.1892
$359.00 Save $70.00 RRP: $429.00
High Accuracy Greenhouse CO Sensor Detector Wall Mounted Carbon Monoxide Transmitter0~5V NO.3113
$94.00 Save $15.00 RRP: $109.00
Multifunctional Carbon Dioxide Detector Analyzer Alarm High Sensitivity Monitor NO.0853
$249.00 Save $50.00 RRP: $299.00
485 Type Carbon Dioxide Sensor Detector CO2 Concentration Sensor Transmitter NO.3007
$109.00 Save $20.00 RRP: $129.00
Wall Mounted Carbon Monoxide Transmitter Temperature Humidity CO Gas Sensor Detector 485 NO.7032
$94.00 Save $25.00 RRP: $119.00
QRA2 Flame Detector Sensor with Fast Response and Precise Temperature Control for Industrial Furnace
$319.00 Save $150.00 RRP: $469.00
Leak Detector High Sensitivity Leak Tester With Sound And Light Alarm Portable Leak Analyzers
$119.00 Save $60.00 RRP: $179.00
20mm Carbon Monoxide Sensor 5000ppm Smart Electrochemical CO Detector Module COAF COBF
$169.00 Save $80.00 RRP: $249.00
Carbon Dioxide Co2 Hcho Detector Portable Air Quality Monitor Temperature Humidity Testerblack
$149.00