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Shop the best prices on 6,453 great value gas detectors. Shopping for gas detectors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Habicare, Ebox and more. Buy gas detectors online safely with Fruugo, with secure payment and fast shipping to Canada.

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65 - 96 of 3,200
Tuya WIFI Natural Gas Sensor Combustible Household Smart LPG Gas Alarm Detector Leakage Sensor EU Plug
$22.95 Save $19.00 RRP: $41.95
Wifi Natural Gas Sensor Tuya Smart Alarm Gas Leakage Detector Digital LCD Temperature Display for Home Kitchen
$17.95 Save $17.00 RRP: $34.95
Portable Air Quality Detector Multifunctional Digital Carbon Dioxide Monitor For Home Bedroom Office
$43.95 Save $45.05 RRP: $89.00
Portable Radon Detector, Audible & Visual Alarm, Long-Term Radon Concentration Monitoring for Home Basement, PCi/L
$209.00 Save $30.00 RRP: $239.00
Tuya Combustible Gas Detector Gas Alarm Gas Detection Sensor,A
$24.95 Save $7.00 RRP: $31.95
Oxygen Detector with Pump Suction O2 Meter for Oxygen Concentration Temperature Humidity Monitoring 0-30.0% Vol
$129.00
HT66 Gas Leak Detector 50-1000PPM Sound Alarm Mini Household Handheld Combustible Natural Methane Ga
$25.95
H2S Gas Sensor Module 10 to 1000ppm High Sensitive Air Quality Monitoring Module DC5V
$43.95 Save $25.05 RRP: $69.00
CO2 Infrared NDIR Sensor Air Quality Detector Carbon Dioxide Temperature Humidity Monitor Digital Gas Analyzer
$41.95 Save $12.05 RRP: $54.00
Handheld Carbon Monoxide Meter, 80Db Light CO Leak Detector, Portable Handheld CO Detector, CO Gas unbrand
$79.00 Save $80.00 RRP: $159.00
WJL-6000UV Halogen Leak Detector Freon Leak Detector R22 R410A R134A
$32.95 Save $6.00 RRP: $38.95
Tuya Combustible Gas Detector Gas Alarm Gas Detection Sensor,A
$23.95 Save $4.00 RRP: $27.95
Natural And Soporific Gas Detector (white)
$46.95
Freon Leak Detector, Halogen Leak Detector, Refrigerant Gas Detector, Suitable Gift
$64.00
Portable Gas Leak Detector, High Sensitivity Natural Gas Sniffer With Colorful Lcd Display, Audible Visual Alarm, Locates Lpg, Lng, Methane, Butane
$59.00
Air Quality Tester Co2 Tvoc Meter Temperature Humidity Measuring Device Carbon Dioxide Monitor Wit
$99.00
RM-75 Radon Detector Air Quality Gas Monitor Temperature and Humidity Smart Detector with Touch Scr
$259.00 Save $20.00 RRP: $279.00
2X MH-Z19 MH-Z19C IR Infrared CO2 Sensor Module Carbon Dioxide Gas Sensor NDIR Accessories
$31.95
MG811 Carbon Dioxide Module: CO2 Gas Concentration Detection Module,Voltage Type,0-2V Voltage Output,MG811 Sensor Module
$40.95
Mini Handheld Lanyard Portable Ndir Medidor De Co2 Alarm Carbon Dioxide Detector Air Quality Sensor Monitor Co2 Meter
$139.00 Save $70.00 RRP: $209.00
Co2 Detector Indoor Carbon Dioxide Temperature Meter Ambient Air Quality Monitor
$179.00 Save $90.00 RRP: $269.00
Co2 Detector Indoor Carbon Dioxide Temperature Meter Ambient Air Quality Monitor
$179.00 Save $90.00 RRP: $269.00
Black Carbon Monitor Carbon Detector Multi-functional Detector Carbon Dioxide Detector Thermometer And Hygrometer Air Quality Indoor Monitor
$349.00 Save $200.00 RRP: $549.00
High Sensitivity Portable Smart Desktop Air Monitor Indoor Air Quality Home Analyzer Co2 Sensor Carbon Dioxide Detector
$179.00 Save $90.00 RRP: $269.00
Lcd Gas Analyzer Tester Meter Automotive Combustible Gas Sensor Air Quality Monitor Gas Leak Detector With Sound Shock Alarm
$209.00 Save $110.00 RRP: $319.00
Portable Handheld Meter O3 Detector Yzer Sensor Gas Detector
$259.00 Save $120.00 RRP: $379.00
Air Quality Monitor For Home | Indoor CO2 Monitoring | Precise CO2 Safety Meter For Grow Tents And Bedrooms
$54.00 Save $30.00 RRP: $84.00
Portable Air Detector with Clear Display Accurate CO2 Monitor for Grow Tents Bedrooms
$54.00 Save $30.00 RRP: $84.00
Air Quality Monitor Portable Air Detector with Clear LCD Display for Bedroom Monitoring and Precise Testing
$41.95 Save $22.05 RRP: $64.00
Air Quality Monitor Portable CO2 Detector With Clear Display For Home Bedroom And Grow Tent
$69.00 Save $35.00 RRP: $104.00
Sensitivity Electronic Leak Detector For Refrigeration Car A/C And Home Cooling Systems
$299.00 Save $140.00 RRP: $439.00
Gas Leak Detector PM2.5 Dust Detector Laser Haze Meter Indoor Use Air Quality Tester Air Quality Test
$94.00 Save $45.00 RRP: $139.00