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Shop the best prices on 7,787 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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897 - 928 of 7,787
Refrigerant & Combustible Gas-Leak Detector, PPM Freon Leak Detector with Loud Alarm, for R134A R410
$54.00 Save $25.00 RRP: $79.00
Carbon Dioxide Detector Air Quality Detector Gas Analyzer Thermometer and Hygrometer Co2 Tester
$59.00 Save $30.00 RRP: $89.00
HLW-100 4-in-1 Air Quality Detector Formaldehyde CO2 PM2.5 PM10 Tester Smart Air Monitor Real-Time I
$45.95 Save $28.05 RRP: $74.00
Portable Ultrasonic Oxygen Measuring Instrument,for Detection PSA Oxygen Generator Output Concentra
$299.00 Save $160.00 RRP: $459.00
Tuya WiFi Smart Air Box Detector Air Quality Monitor Air Housekeeper Detects PM2.5, Formaldehyde, VO
$44.95 Save $24.05 RRP: $69.00
Handheld Gas Detector, O2 EX H2S CO Gas Analyzer, Air Quality Monitor Industrial Safety, Gas Sensor
$249.00 Save $140.00 RRP: $389.00
Freon Leak Detector Halogen Leak Detector R22 R410A R134A R1234YF Refrigerant Gas HVAC Air Condition
$45.95 Save $23.05 RRP: $69.00
Radon Detector Monitor the Average Value of Air Radon Concentration Gas Detector Analyzing Tool Rado
$179.00 Save $100.00 RRP: $279.00
Halogen Leak Detector Air Conditioning Refrigerant Leak Detector HVAC R22 R410A R134A CFCs HCFC Freo
$45.95 Save $28.05 RRP: $74.00
6 in 1 PM2.5 PM10 HCHO TVOC CO CO2 Air Quality Detector CO CO2 Formaldehyde Monitor Home Office Air Quality Tester,White
$23.95 Save $14.00 RRP: $37.95
NDIR Sensor CO2 Monitor Indoor Carbon Dioxide Detection 6 in 1 NDIR Sensor CO2 Detector Formaldehyde Concentration Detection for-black
$129.00 Save $40.00 RRP: $169.00
Indoor CO2 Monitor NDIR Sensor for Carbon Dioxide Detection and Testing
$74.00
Portable Mini Combustible Gas Detector for Leak Location with Sound and Light Alerts
$74.00
LCD Digital TDS Meter High Precision Water Quality Tester TDS Temperature Detector Waterproof Water Analyzer
$79.00 Save $60.00 RRP: $139.00
Multifunctional Electric Magnetic Field Radiation Detector Electromagnetic Radiation Tester Radio Frequency Meter A
$54.00 Save $40.00 RRP: $94.00
DC12V Plasma Generator High Density Plasma Ionizer Remove Smoke Dust Air Purifiers Negative Ion Anion Generator Ionizer
$43.95 Save $35.05 RRP: $79.00
Gauss Meter,2% Accuracy Magnetometer,Precision Industrial 0-2500mT -Meter, Rechargeable Gaussmeter with Hall Probe
$129.00 Save $110.00 RRP: $239.00
24V Digital Gauge Cluster Panel Display RPM Fuel Level Oil Pressure Water Temp Voltage 7 Color Backlight for RV Boat
$249.00 Save $190.00 RRP: $439.00
Gas Leak Detector 803 Oxygen Gas Detector Oxygen Gas Detector 803 Blue Digital Display Oxygen Gas Leak Detector 10-+50
$119.00 Save $80.00 RRP: $199.00
Freon Leak Detector Halogen Leak Detector R22 R410A R134A R1234YF Refrigerant Gas HVAC Air Conditioner Tester
$49.00 Save $40.00 RRP: $89.00
Automotive Relay Tester, Car Diagnostic Tool, 12V High Precision Circuit Tester,for Quick Battery Testing
$33.95 Save $30.05 RRP: $64.00
Alcohol Detector Tester Air-Blown High-Precision Electrochemical Alcohol Detector Household Measuring Instrument
$59.00 Save $40.00 RRP: $99.00
MT300H Hay Moisture Meter LCD Digital Display for Straw Pasture Wheat Digital Moisture Analyzer Humidity Detector Tester
$64.00 Save $55.00 RRP: $119.00
T300 OBD2 Scanner Superior Diagnostic Tool Check Engine Code Reader with Reset Mode 6 Mode 8 Readiness for All Cars
$54.00 Save $40.00 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
$40.95 Save $13.05 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 Combustible Gases Leak Detector Natural Gases Leakage Tester Portable PPM Meter Combustible Gases Analyzer Pen
$31.95 Save $10.00 RRP: $41.95
Handheld Ammonia Gas Detector 0~100 PPM Digital NH³ Gas Tester with LCD Display Temperature(℉/℃) Humidity Ammonia Gas Monitor for Poultry Farm
$219.00 Save $70.00 RRP: $289.00
10 in 1 Air Quality Monitor HCHO TVOC PM2.5 PM10 CO CO2 Temperature&Humidity Tester Carbon Dioxide Detector Black
$39.95 Save $14.05 RRP: $54.00