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Shop the best prices on 7,010 great value gas detectors. Shopping for gas detectors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Habicare, 9eight5 and more. Buy gas detectors online safely with Fruugo, with secure payment and fast shipping to Canada.

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225 - 256 of 3,200
Indoor Air Quality CO2 HCHO TVOC Detector with Real-Time Data Monitoring and Portable Design
$69.00 Save $35.00 RRP: $104.00
PM6310 Portable Leak Detector for Flammable Gases with High Sensitivity Sensors for Fast Detection and Accurate Response
$129.00 Save $60.00 RRP: $189.00
AP388 Gas Detector Analyzer Gas Leak Detection, Sound And LED Alarm, Car Shutdown, Natural Gas And Coal Gas
$59.00 Save $30.00 RRP: $89.00
Carbon Dioxide Detector Upgraded NDIR CO2 Sensor, Air Quality Monitor With Accurate Digital Display
$49.95 Save $24.05 RRP: $74.00
Formaldehyde Sensors ZE08CH2O Serial Port Output Calibrated Concentration Measurement
$32.95 Save $17.00 RRP: $49.95
HT66 Natural Gas Leak Detector Methane 50-1000 PPM Acoustic Alarm Compact Home Use
$339.00 Save $170.00 RRP: $509.00
HT66 Flammable Gas Leak Detector Natural Gas/Methane Detector 50-1000ppm Acoustic Alarm Mini Handheld For Household Use
$51.95 Save $27.05 RRP: $79.00
Carbon Dioxide Sensor Module MG811 with 0-2V Analog Output for Embedded System Air Quality Detection
$59.00 Save $30.00 RRP: $89.00
Air Monitor Co2 Carbon Dioxide Detector Air Quality Temperature Humidity Monitor Quick Measuring Me
$24.95 Save $15.00 RRP: $39.95
Fixed Formaldehyde Gas Detector CH2O Monitor 0100ppm 24V 420mA with Alarm Dual Contact Control
$179.00 Save $90.00 RRP: $269.00
Handheld Air Quality Tester Professional Gas Analyzer Smog/dust/formaldehyde Air Quality Detector Co2 Meter Monitor 123/126/128s
$999.00
7 In 1 Air Quality Detector Carbon Dioxide Co2 Formaldehyde Dust Tvoc With Tuya Smart Wifi Link Time Recording Function
$799.00
St-8308 Indoor Formaldehyde Dust Pollution Pm2.5 Toxic Gas Detector With Alarm Charging
$949.00
MQ136 Hydrogen Sulfide Gas Sensor Module H2S Gas Detection Sensor Module High Sensitivity Sensor Mo
$26.95 Save $2.00 RRP: $28.95
Tuya Smart Wifi Natural Gas Sensor Combustible Coal Gas LPG Gas Leakage Alarm Detector Fire Securit
$22.95 Save $4.00 RRP: $26.95
5Pcs Air Pollution Sensor JW01C02V2.2 VOC Air Quality Detection Module ZP07 MP503 for C02 Benzene F
$19.95 Save $5.00 RRP: $24.95
Combustible Gas Detection Unit -5 Gas Detection Unit Integrated STM32 Controller STM32G030 Communic
$21.95 Save $5.00 RRP: $26.95
Propane Gas Detector,Digital RV Propane Gas Detector, Using DC 12V, 85dB Loud Alarm, Suitable for Homes and RVs
$36.95
Portable 4 Gas Detector Rechargeable Multi Gas Monitor Air Quality Tester Analyzer High Precision EX O2 H2S CO US Plug
$129.00
ANENG GN801 Gas-sensitive Semi-conduct Detector 300~10000PPM Gas Leakage Analyzer Combustible Meter Environment Test Sensor Tool
$35.95 Save $28.05 RRP: $64.00
Habotest Portable Gas Leak Alarm Combustible Gas With Audible And Visual Alarm All Types Of Flammablegases
$59.00
Gas Sensor Module VOC CO2 CH2O Output Multiple Parameter Air Quality Detector
$42.95 Save $26.05 RRP: $69.00
Halogen Gas CFC HFC Refrigerant Leak Detector R134a R410a R22a HVAC Checke
$42.95 Save $26.05 RRP: $69.00
MCU‑811 CCS811 Carbon Dioxide Monoxide Numerical Gas Sensor Air Quality Gas Sensor
$41.95 Save $27.05 RRP: $69.00
Handheld Air Quality Detector Meter Monitor Portable Rechargeable TVOC HCHO Tester
$44.95 Save $29.05 RRP: $74.00
Pipeline Detector Alarm LNG LPG Tube Natural Gas Detector Propane Detection Alarm 2500PPM AC9‑240V US Plug
$34.95 Save $11.00 RRP: $45.95
Multi Gas Detector Gas Meter O2 H2S CO LEL 4 in 1 Oxygen Hydrogen Sulfide Carbon Monoxide Combustibl
$169.00 Save $130.00 RRP: $299.00
HT100 LED Light NOn contact Test Pen AC Voltage Testing Detector 0~40°C
$28.95 Save $18.00 RRP: $46.95
Hydrogen Leak Detector Handheld 01000PPM with 1PPM Resolution USB Rechargeable for Industrial Use
$1,349.00 Save $650.00 RRP: $1,999.00
Ammonia Gas Detector 0200ppm Fixed NH3 Gas Monitor with Sound Light Alarm and Infrared Remote
$1,399.00 Save $700.00 RRP: $2,099.00
Leakage Repair Kit For Automotive A/C Systems | Portable Leak Tester For Refrigerants Household And Industrial Use
$104.00 Save $55.00 RRP: $159.00
Portable Air Monitor Accurate Air Quality Detector, Compact Indoor Testing Device Digital Sensor with Clear Display
$43.95 Save $20.05 RRP: $64.00