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Shop the best prices on 24,341 great value gas detectors. Shopping for gas detectors is easy with Fruugo, with SALE discounts, offers and savings on Viewleaf, Elsavct, Generic1 and more. Buy gas detectors online safely with Fruugo, with secure payment and fast shipping to Singapore.

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865 - 896 of 3,200
PM2.5 Air Quality Module (PMSA003) Ambient Air Quality Testing Module DC5V Power Supply M5Core Pedestal
$89.00 Save $30.00 RRP: $119.00
Tuya WiFi 15in1 Air Quality Detector Household Portable PM0.3 PM1.0 PM2.5 PM10 CO CO2 TVOC HCHO Tester White
$89.00 Save $30.00 RRP: $119.00
USB Charging Carbon Dioxide Air Quality Detector Temperature Humidity Environment Monitor CO2 Gas Concentration NDIR
$64.00 Save $15.00 RRP: $79.00
Handheld Carbon Monoxide Meter, 80Db CO Leak Detector,CO Gas Analyzer
$47.95
High Sensitivity Gas Leak Meter Audibles Alarm Backlights Light Screen Display For Residential Commercial Inspections Multicolor
$84.00
US Plug,Hydrogen Sulfide Gas Detector 0-100 PPM with 3 Alarm Modes, H2S Air Quality Meter with Temp
$129.00
US Plug,4 in 1 Gas Monitor for O2,CO,H2S,Combustible Gas Tester, Gas Leak Detector with Sound,Light
$139.00
US PLUG,Gas Monitor for O2, CO, H2S, Combustible Gas Detector,4 Gas Leak Detector with Sound,Light
$149.00
Oxygen Analyzer Professional Portable O2 Oxygen Concentration Meter Detector 21%-95.6% O2 Meter Gas
$179.00
8 in 1 Air Quality Monitor CO2 Meter Carbon Dioxide Detector CO2 TVOC HCHO PM2.5 PM1.0 PM10 Temperat
$104.00 Save $35.00 RRP: $139.00
US PLUG,Portable Ammonia Gas Detector,0-200 PPM Monitor with Temperature Humidity Tester for Farm,P
$209.00
Tuya 300m ME204R RF433 Gas Detector LED Display Portable Smart Home Device Gas Tank Meter LGP Tank
$369.00
Ammonia Gas Detectors NH3 Gas Analyzers Meter Alarm Device
$229.00 Save $280.00 RRP: $509.00
Handhled Gas Detector Portable Natural Gas Tester Detector Combustible Propane Methane Gas Sensor Sniffer Lcd Dispaly
$114.00 Save $165.00 RRP: $279.00
Handheld Ammonia Gas Detectors Digital NH3 Gas Tester 0-100PPM with Large LCD Display Quick Responses Sensors Monitors
$489.00
Portable Multi Gas Monitor ABS 13x7cm 1800mAh Battery Tester
$269.00 Save $90.00 RRP: $359.00
Air Quality Monitor CO2 Detector 16x9.2cm White 1200mAh Battery
$84.00 Save $25.00 RRP: $109.00
Carbon Dioxide Detector USB Charging TVOC Sensor Semiconductor Air Quality Monitor with Temperature Humidity Testing White
$29.95 Save $14.00 RRP: $43.95
WiFi Natural Gas Leak Detector with LCD, APP Alert, 100.4x34mm
$44.95 Save $24.05 RRP: $69.00
Tuya Smart WiFi CO2 Detector Sensor Air Quality Monitor TVOC CO2 Gas CH2O Temperature Humidity Meter Detector,White
$64.00
14 in 1 Air Quality Monitor Tuya WIFI CO/CO2 Detector Real Time Monitoring BIG Display Home Air Tes
$69.00
Handheld Combustible Gases Leak Detector Natural Gases Leakage Concentration Analyzer Meter Sound L
$45.95
Formaldehyde Monitor Carbon Dioxide Detector TVOC Detector Temperature and Humidity CO 2 Air Quality Monitor White
$23.95
5-in-1 Air Quality Detector with Stand USB Type-C Multifunctional Automatic Display Portable CO2,HCHO,TVOC Tester Black
$37.95
5-in-1 Air Quality Detector with Stand USB Type-C Multifunctional Automatic Display Portable CO2,HCHO,TVOC Tester White
$37.95
2026 NEW Carbon Monoxide Detector, Gas Detector,Gas Alarm Sensor Methane Propane ,Gas Leak Detector EU Plug
$43.95 Save $20.05 RRP: $64.00
2026 NEW Air Quality Detector Monitor Indoor Tester Carbon Dioxide Sensor Wall-Mounted Co2 Detector Carbon D
$169.00 Save $20.00 RRP: $189.00
2026 NEW CO2 Detector, Indoor Air Quality Monitor, 2in1 Carbon Dioxide Detector Air Quality Monitor, TVOC Me
$59.00 Save $15.00 RRP: $74.00
2026 new Gas Leak Detector Combustible Propane Methane Leak Warning EU Plug Combustible Gas Alarm Sensor for
$25.95 Save $18.00 RRP: $43.95
2026 New -6000 Freon Leak Detector Halogen Gas Tester HVAC Refrigerant AC Sniffer R22 R410A
$59.00 Save $20.00 RRP: $79.00
2026 new Gas Leak Detector Natural Gas Detector and Plug in Carbon Monoxide Detector for Kitchen Home for CO
$47.95 Save $21.05 RRP: $69.00
Oem & Odm Portable Gas Analyzer Combustible Gas Detector Handheld Carbon Monoxide Meter Gas Sensor Detector Air Quality
$199.00 Save $120.00 RRP: $319.00