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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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3,073 - 3,104 of 3,200
Wifi Gas Leak Alarm Household Smart Gas Detector Combustible Gas Sensor
$36.95
6 In 1 Pm2.5 Pm10 Hcho Tvoc Co Co2 Air Quality Detector Co Co2 Formaldehyde Monitor Home Office Air
$89.00 Save $50.00 RRP: $139.00
Portable Air Quality Detector, CO2, TVOC, HCHO, Humidity, Temperature, 5 in 1, Multifunctional Indoor Air Quality Tester, Black
$30.95 Save $9.00 RRP: $39.95
Formaldehyde Detector, Formaldehyde Monitor, Air Quality Tester for Indoor Home
$25.95 Save $8.00 RRP: $33.95
Smart Sensor Gas Detector Oxygen O2 Hydrogen Sulfide H2S Carbon Monoxide CO Combustible Gas LEL Gas Meter
$99.00
Mini Handheld Gas Leak Detector Natural Gas Detector Combustible Gas Detector with Audible Alarm Gas Sniffer Test White
$20.95
Refrigerant Leak Detector with Ultra Sensitive Detection and LED Indicators for HVAC and AC
$114.00 Save $55.00 RRP: $169.00
Leak Detection Set for Air Conditioning, Portable Gas Leak Tester for HLK Maintenance, Radiator Pressure Test and Vehicle Inspection
$129.00 Save $70.00 RRP: $199.00
SMART SENSOR AR8500 Ammonia Detector Gas NH3 Tester Monitor with Acoustic Optical Double Alarm 0‑100PPM 100-240V
$449.00 Save $30.00 RRP: $479.00
Leak Detector R134a R410a R22a HVAC Halogen Gas CFC HFC Refrigerant Detector For Halogenated Refrigerants
$64.00 Save $25.00 RRP: $89.00
Gas Leak Detector Methane 50000 PPM Flammable Gas Tester LCD Display Audible And Visual Alarm Real-Time Reading
$179.00 Save $80.00 RRP: $259.00
Portable Gas Detector WJL-6000 Freon And Halogen Leak Detector For HVAC Refrigerant R22 R410A R134A R1234YF Sensor
$79.00 Save $40.00 RRP: $119.00
Gas Detector, HT66 Gas Leak Detector, Flammable Natural Methane Gas Leak Detector, 501000PPM, Sound Alarm Guest Tester M HT66
$51.95 Save $27.05 RRP: $79.00
Portable 3-In-1 CO2 Air Quality Detector, Handheld Gas Monitor With Real-Time CO2, Temperature, Humidity Readings
$74.00 Save $45.00 RRP: $119.00
Particle Counter for Air Quality Monitor -10 to 50 Degrees, Red Semiconductor Detectors for Flammable Gases, Gas Analyzer
$84.00 Save $45.00 RRP: $129.00
GN803 Gas Leak Detector Methane Combustible Gas Testers
$24.95
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
Air Quality Detector Monitor Indoor Tester Carbon Dioxide Sensor
$119.00 Save $40.00 RRP: $159.00
SMART SENSOR AS8800L Portable Flammable Gas Detector Natural Gas Leak Tester Analyzer
$45.95 Save $13.05 RRP: $59.00
Refrigerant Leak Detector 0-1000PPM Air Conditioning HVAC Refrigerant Leak Detector HCFC HFO Tester
$52.95 Save $16.05 RRP: $69.00
UT336A Refrigerant Leak Detector Cfcs Hcfcs Hfcs Leakage Tester for Air Conditioning Automobile Ref
$84.00 Save $5.00 RRP: $89.00
Air Dust Particle Counter Sensor Monitor PM2.5/10 Temperature Humidity Meter Air Quality Dust Conce
$299.00 Save $40.00 RRP: $339.00
Oxygen Analyzer Professional Portable O2 Oxygen Concentration Meter Detector 21%-95.6% O2 Meter Gas
$169.00 Save $10.00 RRP: $179.00
Tuya WiFi Air Quality Monitor CO2 Carbon Dioxide Meter Temperature Humidity Measuring Detector NDIR
$64.00 Save $20.00 RRP: $84.00
Combustible Gas Detector 5050000PPM LCD Display Screen Portable Gas Leak Tester for Pipeline
$79.00 Save $25.00 RRP: $104.00
Portable Gloss Meter -300 SE with 0.2GU High Accuracy 100,000 Measurements on A Single Charge and Long Battery Life
$249.00 Save $200.00 RRP: $449.00
Oxygen Detector Meter Monitor High Accuracy Handheld Portable Concentration Measurement for Home O2 Gas
$189.00 Save $110.00 RRP: $299.00
Handheld Combustible Gases Leak Detector Natural Gases Leakage Concentration Analyzer Meter Sound Light ZL72A Battery
$37.95
Semiconductor Gas Sensor Combustible Gas Unit MQ I2C Interface Air Quality Detection Module for DIY Development Kit
$29.95
NDIR CO2 Sensor Infrared Carbon Dioxide Sensor Module with Serial Port PWM Analog Output CO2 Gas Detector Module -Z14B
$44.95
3F Food Safety Detector Portable New in Food Nitrate Tester Fruits and Vegetables Meat Radiation Nitrate Detection
$169.00 Save $130.00 RRP: $299.00