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Shop the best prices on 23,189 great value gas detectors. Shopping for gas detectors is easy with Fruugo, with SALE discounts, offers and savings on Viewleaf, Elsavct, Elriven and more. Buy gas detectors online safely with Fruugo, with secure payment and fast shipping to Singapore.

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2,945 - 2,976 of 3,200
Propane Detector 12V LPG Natural Gas Sensor Leak Alarm 85DB Siren for Car RV Home Digital Propane Tester Meter(White)
$59.00 Save $180.00 RRP: $239.00
Natural Gas Leak Detector for Household Safety and CO Alarm
$54.00 Save $30.00 RRP: $84.00
Supernew Oxygen Analyzer Professional Portable O2 Oxygen Concentration Meter Detector 21%-100% O2 Meter Gas Detector EU Plug
$369.00 Save $120.00 RRP: $489.00
12v Gas Detector Sensor Alarm Propane Butane Lpg Natural Motor Home Camper471
$25.95 Save $5.00 RRP: $30.95
3 in 1 CO2 Meter Air Quality Monitor Handheld 5000Ppm CO2 Monitor Measurement Carbon Dioxide / Detector S8601
$19.95 Save $4.00 RRP: $23.95
6 in 1 PM2.5 PM10 HCHO TVOC CO CO2 Air Quality Detector CO CO2 Formaldehyde Monitor Home Office Air
$36.95 Save $7.00 RRP: $43.95
Infrared Carbon Dioxide Meter 400-5000PPM CO2 Detector Air Quality Monitor Temperature Humidity Test
$59.00 Save $10.00 RRP: $69.00
2025 New Freon Leak Detector, WJL-6000 Refrigerant HVAC Leak Detector, Halogen Gas Sniffer
$33.95 Save $95.05 RRP: $129.00
Rm370 Carbon Monox Detector
$59.00 Save $50.00 RRP: $109.00
Handheld Combustible Gases Leak Detector Natural Gases Leakage Tester Portable PPM Meter Combustible Gases Analyzer Pen
$69.00 Save $15.00 RRP: $84.00
High-Concentration Ozone Detector Module with Analog TTL Output for 10-1000PPM Gas Sensing Applications
$18.95 Save $25.00 RRP: $43.95
CO2 Air Detector Carbon Dioxide Detector Agricultural Production Greenhouse CO2 Monitor
$20.95 Save $21.00 RRP: $41.95
Cylinder Leak Tester Double Pressure Gauge Compression Leakage Detector Kit 0-7bar/0-100psi
$69.00 Save $70.00 RRP: $139.00
Air Detector Outdoor Tools Home Tools Co2 Sensor Mold Test Kit For Home Air Quality Radon Detector F
$46.95 Save $47.05 RRP: $94.00
SQLX New Gas Leak Detector Combustible Gas Detector Audible & Visual Alarm LCD Display
$21.95 Save $16.00 RRP: $37.95
Smart Sensor Handheld Digital Oxygen Detector Usb Rechargeable Automotive O2 Sensor Tester Monitor Lcd Display Adjustable Alarm Auto Power Off Oxygen
$289.00 Save $220.00 RRP: $509.00
QRB1 Electric Eye Glass Flame Detector Red Photosensitive Sensor Photoresistor for Boiler Singal Detect Diesel Burner Photocell
$69.00 Save $15.00 RRP: $84.00
Multi Gas Detector Gas Meter O2 H2S CO LEL 4 in 1 Oxygen Hydrogen Sulfide Carbon Monoxide Combustible Gas Leak Detector
$219.00 Save $150.00 RRP: $369.00
H2S/O3/CO/CO2/H2S/O2/NO2/NO/EX/NH4 Gas Detectors with Sound and Light Alarm
$159.00
Handheld Water Quality Detector YY-400H H2 Test Pen IP67 Waterproof
$23.95 Save $13.00 RRP: $36.95
Handheld Real Time Radon Gas Historical Average Value Electric Detection Technology Real Time Monitoring Multicolor
$309.00
Ammonia Gas Detectors Sensors, Test for 0~100PPM NH3 Monitors Gauge with Temperature Humidity Tester
$289.00
Ammonia Gas Detectors Sensors, Test for 0~100PPM NH3 Monitors Gauge with Temperature Humidity Tester
$279.00
0-100PPM LCD Ammonia Meter Professional NH3 Concentration Tester Ammonia Gas Detectors Ammonia Alarm Device Multicolor
$299.00
Tuya Combustible Gas Detector Gas Alarm Digital Gas Detection Sensor Sound Alarm Smart Air Quality D
$21.95 Save $29.00 RRP: $50.95
Tuya Combustible Gas Detector Gas Alarm Gas Detection Sensor,A
$22.95
Natural Gas Detector And Carbon Monoxide Co Detector,combustible Gas Detector Monitor For Co, Methane In Kitchen-eu Plug
$64.00 Save $35.00 RRP: $99.00
Co2 Detector, Indoor Air Quality Co2 Monitor Carbon Dioxide Monitor Ndir Sensor 400-5000 Ppm, Usb Rechargeable Co2 Alarm Meter, Temperature And Relati
$259.00
Plug-in 4-in-1 Gas&CO Detector with Temp/Humidity - Natural Gas,Propane & Methane Detector for Home,RV & Apartments(US)
$39.95 Save $24.05 RRP: $64.00
ENS160+AHT21 CARBON Dioxide CO2 ECO2 TVOC Air Quality and Temperature and Humidity Sensor Replace C
$9.95 Save $8.00 RRP: $17.95
Smart Home Gas Detector: Reliable Combustible Gas Alarm, Easy Install, Modern Design
$37.95
High-Precision Gas Leak Detector with Voice Warning - CO Sensor, Propane & Smoke Alarm
$51.95