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Shop the best prices on 24,356 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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2,081 - 2,112 of 3,200
SCD40 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature and Humidity 2 in 1 Sensor
$33.95 Save $35.05 RRP: $69.00
Home Safety Gas Detection Tool with Fast Response Sensors & Ergonomic Easy carry Designs Suitable for Home Outdoor Use Multicolor
$99.00
Automotive Cylinder Leak Detector TU-21 Petrol Engine Gauge Tool for Car Compression Leakage Detector Kit
$54.00 Save $10.00 RRP: $64.00
LD2412 Human Presence Sensor 24GHz Radar Sensor ISM Frequency Sensitive Human Motion Sensor 9M GPIO UART Output 7PIN
$12.95 Save $1.00 RRP: $13.95
2025 Wireless Gas Detector Alarm Leakage Sensor Natural Gas Leak Detector
$64.00 Save $65.00 RRP: $129.00
12V Gas Alarm Sensor Alarm Propane Butane LPG Natural Motor Home Camper
$25.95 Save $26.00 RRP: $51.95
2025 Wireless Gas Detector Alarm Leakage Sensor Natural Gas Leak Detector
$64.00 Save $65.00 RRP: $129.00
MH-Z19 CO2 Sensor Module NDIR Carbon Dioxide Gas Detector
$36.95 Save $17.05 RRP: $54.00
Combustible Gas Detector & Air Quality Monitor Alarm
$59.00 Save $25.00 RRP: $84.00
Gas Detector, Lpg/natural Gas/gas Leak Detector, Plug-in Sensor Monitor With Audible Alarm And Led Digital Display
$52.95 Save $31.05 RRP: $84.00
Oxygen sensor for AO2 AA428-210 compatible with AO-02 gas detector
$139.00 Save $50.00 RRP: $189.00
Portable Gas Detector for RV Camper with Alarm
$59.00 Save $40.00 RRP: $99.00
Digital Compoud Gas Monitor LCD Display Rechargeable Combustible O2 H2S CO Gas Leak Sensor Sound-Light Vibration Alarm
$189.00 Save $110.00 RRP: $299.00
HVAC Refrigerant Leak Detector 7 Levels Sensitivity Adjustable Freon Gas Leakage Tester for Air Condition R22 R410A R134A R1234YF With LED Light ( Req
$43.95 Save $25.05 RRP: $69.00
LCD LPG LNG Coal Natural Gas Leak Security Alarm Sensor Warning Detector
$29.95 Save $17.00 RRP: $46.95
SMART SENSOR AS5750 Refrigerant Leak Detector High Sensitive USB Rechargeable Halogen Leak Detector
$84.00 Save $55.00 RRP: $139.00
SMART SENSOR AS5750 Refrigerant Leak Detector High Sensitive USB Rechargeable Halogen Leak Detector
$84.00 Save $55.00 RRP: $139.00
Gas Detector Pen Type Sensitive Portable Combustible Gas Tester Sensor for Industry Catering
$24.95 Save $13.00 RRP: $37.95
O3 Meter Detector Handheld Colorful USB Charging Sensitive Air Quality Pollution Monitor for Testing
$129.00 Save $80.00 RRP: $209.00
Oxygen Detector 030%vol 5V USB Portable Oxygen Gas Meter with 1.7 Inch Backlit LED Display
$149.00 Save $90.00 RRP: $239.00
WT8820 Portable Combustible Gas Detector Leakage Natural Gas Sensor Alarm High Sensitivity Test
$42.95 Save $26.05 RRP: $69.00
Carbon Dioxide Sensor Infrared CO2 Concentration Detection 5000ppm Gas HAVC RV Smart Home Air Quality Monitor
$27.95 Save $16.00 RRP: $43.95
LCD LPG LNG Coal Natural Gas Leak Security Alarm Sensor Warning Detector
$29.95 Save $18.00 RRP: $47.95
Indoor Portable CO2 Detector Multifunctional Thermohygrometer Home Digital Air Detector Intelligent Air Quality Analyzer Household Air Pollution Monit
$27.95 Save $16.00 RRP: $43.95
ANENG GN801 Gas-sensitive Semi-conduct Detector 300~10000PPM Gas Leakage Analyzer Combustible Meter Environment Test Sensor Tool
$34.95 Save $11.00 RRP: $45.95
Gas Monitor 4 in 1 CO H2S O2 LEL Accurate Measurement Sound Light Vibration Alarm Backlit Display Gas Detector
$119.00 Save $70.00 RRP: $189.00
Gas Leak Alarm 85Db Wifi Leakage Tester Sniffer for TUYA Smart Life App
$49.95 Save $29.05 RRP: $79.00
Gas Leak Detector Natural Gas Detector Portable Handheld Gas Sniffer with Sound and Indicator Light Sensitivity Adjustable Locates Combustible Gas Lik
$26.95 Save $8.00 RRP: $34.95
MAYILON Gas Leak Detector Natural Gas Detector with 8-inch Probe Propane Leak Detector Checking Combustible Gas Leaks Like Natural Gas Propane Methane
$45.95 Save $13.05 RRP: $59.00
Carbon Dioxide CO2 Detector Air Quality Tester Formaldehyde Detector High Sensitive Poisoning Detector Indoor Formaldehyde Testing Machine
$32.95 Save $10.00 RRP: $42.95
2.8-inch LCD CO2 Concentration Tester Mini Carbon Dioxide Detector Humidity & Temperature Meter Air Quality Monitor 1200mAh Lithium Battery CO2 Meter
$36.95 Save $12.00 RRP: $48.95
NOYAFA Portable Formaldehyde Detector Indoor Air Quality Monitor HCHO and TVOC Monitor with Audible Alarm LED Indicator for Home HVAC System
$30.95 Save $9.00 RRP: $39.95