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Shop the best prices on 8,054 great value gas detectors. Shopping for gas detectors is easy with Fruugo, with SALE discounts, offers and savings on Viewleaf, Other, GreenZech and more. Buy gas detectors online safely with Fruugo, with secure payment and fast shipping to Canada.

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2,241 - 2,272 of 3,200
2 in 1 PH TDS Meter Tester Water Quality Monitor Online Acidity Monitor Analyzers Tester for Aquari
$59.00 Save $5.00 RRP: $64.00
Gas Leak Tester Sensor Monitor Natural Gas Detector Portable Home Gas Sniffer unbrand
$84.00 Save $35.00 RRP: $119.00
CO2 Air Monitor - Carbon Dioxide Detector - Temperature and Humidity Monitor - Quick Measurement for CO2 - Black
$25.95 Save $68.05 RRP: $94.00
ANENG GN805 Combustible Gas Leak Detector 50~1000PPM Sound Alarm Gas-sensitive Semi-conduct Analyzer LCD Backight Environmental Tester Tools
$30.95 Save $28.05 RRP: $59.00
3.2inch TFT Display Carbon Dioxide Detector Portable CO2 Tester Rechargeable Air Quality Meter with Storage Box Support Generate and Export PDF File
$219.00 Save $60.00 RRP: $279.00
WJL-6000 High Sensitivity Halogen Gas Refrigerant Leak Detector Analyzer
$59.00 Save $25.00 RRP: $84.00
6 in 1 Air Quality Detector for CO O2 Temperature Humidity
$119.00
Radon Sensor High Sensitivity Fast Detection Aluminum Alloy Home Radon Detector Indoor Air Quality Monitor 12V DC
$499.00 Save $20.00 RRP: $519.00
St8310a Carbon Dioxide Tester Recorder Air Quality Detector Temperature Humidity Monitoreu 100240v
$459.00
MS1100 gas sensor module, high-precision TVOC and CO2 detection
$10.95
Co2 Monitor Meter Sensor Indoor With Alarm, Air Quality Carbon Dioxide Monitor With 400-5000 Ppm-ndir Co2 Tester Reader
$79.00
Stud Finder Pipe Sensor Metal Gold Detector Vibration Light Alarm for Wires Cable PVC Water Pipe
$14.95 Save $33.00 RRP: $47.95
US Plug,Hydrogen Sulfide Gas Detector 0-100 PPM with 3 Alarm Modes, H2S Air Quality Meter with Temp
$119.00 Save $20.00 RRP: $139.00
Propane Detector 12V Natural Gas Sensor Leak Alarm 85DB Siren for Car RV Home Digital Propane Tester Meter(White)
$42.95
3 in 1 CO2 Meter Air Quality Monitor Handheld 5000Ppm CO2 Monitor Measurement Carbon Dioxide / Detector S8601A
$39.95
AGc30 Smart CO2 Controller Dual Channel NDIR CO2 Sensor Day Night Carbon Dioxide Detector for Greenhouse US Plug
$309.00
20-In-1 Tuya WIFI Air Quality Detector CO/CO2/TVOC/HCHO/PM2.5/PM1.0/PM10/Temp/Humidity 5Pcs Subunits unbrand
$149.00
GN807 Combustible Gas Detector Alarm Digital Combustible Gas Detection 50-10000PPM Methane Flammable Gas Test Tool
$34.95 Save $17.00 RRP: $51.95
Indry And Home Gas Detector Ch4 Gas Gas Detector Alarm Leak Portable Gas Leak Det
$339.00 Save $360.00 RRP: $699.00
Lcd Co Sensor 433mhz Wireless Working Built In 85db Siren Sound Carbon Monoxide Poisoning Warning A Viewleaf
$30.95 Save $15.00 RRP: $45.95
Formaldehyde Detector Household Decoration Occupancy Gas Detection Indoor Harmful Odor Test TVOC
$23.95 Save $15.00 RRP: $38.95
Air Analyzer Gas Leak Detector Gas Analyzer Sound Alarm Ppm Meter Combustible Gas Flammable Natural
$359.00 Save $540.00 RRP: $899.00
Gas Leak Detector Analyzer Methane Combustible Natural Tester Sound Double Alarm Lcd Alcohol Gas Le Viewleaf
$89.00
2pcs Digital Carbon Monoxide (co) Detector Alarm Battery Powered
$64.00
Turbidity Sensor Module Liquid Wastewater Quality Detection Kit TS‑300B Accuracy
$21.95 Save $7.00 RRP: $28.95
Omelette Maker Pan Egg-Omelette Maker Tray Egg-Cooker Poacher Kitchen Mold
$28.95 Save $23.00 RRP: $51.95
GN803 Gas Leak Detector Methane Combustible Gas Testers
$28.95 Save $6.00 RRP: $34.95
-6000 Freon Leak Detector Refrigerant Gas HVAC R22 R410A Detector
$30.95 Save $6.00 RRP: $36.95
Tuya WIFI Combustible Gas Detector Gas Alarm Gas Detection Sensor,B
$32.95 Save $5.00 RRP: $37.95
Cordless Compressed Air Duster 51000RPM Rechargeable PC Deep Cleaning Handheld Jet Dry Blower for Car Keyboards
$69.00 Save $20.00 RRP: $89.00
LPG/Natural Gas/Coal Gas Leak Detector, Plug-in Sensor Monitor with Audible Alarm and LED Digital Display, for Methane, Propane, Butane Fuel
$36.95 Save $57.05 RRP: $94.00
LCD LPG LNG Coal Natural Gas Leak Security Alarm Sensor Warning Detector
$29.95 Save $13.00 RRP: $42.95