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Shop the best prices on 7,402 great value gas detectors. Shopping for gas detectors is easy with Fruugo, with SALE discounts, offers and savings on Viewleaf, GreenZech, Other and more. Buy gas detectors online safely with Fruugo, with secure payment and fast shipping to Canada.

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609 - 640 of 7,402
Air Quality Monitor Infrared Carbon Dioxide Detector Portable Detector
$89.00 Save $15.00 RRP: $104.00
Gas Detector, Gas Analyzer, Freon Gas Leak Tester, CFCs HCFCs HFCs Halogen Freon Gas Detector, Refrigerant Air Conditioning Monitor, Gas Leak.
$189.00 Save $90.00 RRP: $279.00
NDIR Carbon Dioxide CO2 Sensor Module MH-Z14A Serial Port PWM Analog Output 0-5000ppm
$64.00 Save $20.00 RRP: $84.00
Air Quality Monitor CO2 HCHO TVOC PM2.5 PM1.0 Tester Temperature Humidity Detector with Gravity Sensor Black
$109.00 Save $20.00 RRP: $129.00
9 In1 Air Quality Monitor Meter Carbon Dioxide Detector TVOC HCHO PM2.5 PM1.0 PM10 Temperature Humi
$54.00
-Z14B NDIR Infrared CO2 Sensor Module Gas Sensor for CO2 Monitor 0-5000ppm Z14 Serial UART PWM Outp
$64.00
Gas Leak Detector Portable Nature Gas Detectors Methane Hexane Propane Sniffer for Home/Outdoor Bla
$24.95
CO Gas Carbon Monoxide Leak Detector, WIFI Combustible Gas Leak Detector, Harmful Gas Leak Alarm Se
$43.95 Save $2.00 RRP: $45.95
Tuya WIFI Air Quality Monitor 5 in 1 Formaldehyde VOC CO2 Temperature Humidity Detector Sensor Supp
$30.95
NDIR CO2 Sensor Infrared Carbon Dioxide Sensor Module with Serial Port PWM Analog Output CO2 Gas De
$49.95 Save $4.05 RRP: $54.00
Combustible Gas Detector Combustible Natural Gas Methane Combustible Gas Detector Gas Leak Detecti
$99.00
-Z19 -Z19C IR Infrared CO2 Sensor Module Carbon Dioxide Gas Sensor NDIR Accessories
$21.95 Save $18.00 RRP: $39.95
SCD40 Gas Sensor Module Detector CO2 Carbon Dioxide Temperature and Humidity Sensor I2C Communicati
$47.95 Save $11.05 RRP: $59.00
GN803 Gas Leak Detector Methane Combustible Gas Testers
$25.95
Portable CO2 air quality detector, handheld formaldehyde and CO2 detector with indoor temperature and humidity
$59.00
Wifi Air Quality Detector, High Sensitivity Tvoc Quality Monitor Co2 Carbon Dioxide Sensor Analyzer
$209.00
Online PH / EC Monitor Meter Acidometer 2 in 1 PH EC Meter EU Plug
$43.95 Save $15.05 RRP: $59.00
Air Quality Monitor, Intelligent Air Analyzer, Portable Device with Clear Display for Carbon Dioxide Detection in Home, Bedroom and Grow Tents
$54.00 Save $30.00 RRP: $84.00
Air quality monitor, air quality measurement Precise safety monitoring device for carbon dioxide monitoring in grow tents and bedrooms. Ref: 5631
$54.00 Save $30.00 RRP: $84.00
LD600 Freon Leak Detector Combustible Gas Detector Air Conditioning Refrigerant Leak Detector with
$159.00
Formaldehyde Monitor Carbon Dioxide Detector TVOC Detector Temperature and Humidity CO 2 Air Quality Monitor Black
$20.95 Save $13.00 RRP: $33.95
MT03 Air Quality Monitor with Stand CO2 Temperature Humidity Tester CO2 Detector Carbon Dioxide Detector White
$21.95 Save $14.00 RRP: $35.95
Tuya WiFi 16 in 1 Air Quality Monitor Multifunction PM2.5 PM10 HCHO TVOC CO Carbon Dioxide Screen Display Air Detector B
$42.95 Save $31.05 RRP: $74.00
O2 Gas Detector Oxygen Detector Intelligent SENSOR AR8100 Oxygen Detector Rechargeable LCD O2 Gas Meter Oxygen Monitor
$139.00 Save $100.00 RRP: $239.00
Indoor Air Quality Monitor,CO2 Monitor/Temperature/Formaldehyde Detector/Humidity TVOC for Rooms,Grow Tents White
$19.95 Save $13.00 RRP: $32.95
HLW-100 4-in-1 Air Quality Detector Formaldehyde CO2 PM2.5 PM10 Tester Smart Air Monitor Real-Time
$44.95 Save $9.05 RRP: $54.00
MT03 Air Quality Monitor with Stand CO2 Temperature Humidity Tester CO2 Detector Carbon Dioxide Det
$20.95 Save $4.00 RRP: $24.95
Mini Gas Detector Combustible Methane Natural Gas Leak Tester Sensor for Home HT66
$41.95 Save $12.05 RRP: $54.00
WJL-6000 High Sensitivity Halogen Gas Refrigerant Leak Detector Analyzer
$54.00 Save $15.00 RRP: $69.00
12589321 Car Accessories Oxygen Sensor O2 Sensor
$24.95 Save $2.00 RRP: $26.95
Car Accessories Oxygen Sensor O2 Sensor for
$48.95 Save $10.05 RRP: $59.00
CO Gas Sensor Carbon Monoxide Sensor UART Digital Output SC16B-CO (0-1000PPM)
$22.95 Save $7.00 RRP: $29.95