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Shop the best prices on 7,389 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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289 - 320 of 7,389
Gas Detector Gas LEL Gas Meter
$94.00 Save $35.00 RRP: $129.00
6-in-1 Air Quality Detector, Black, CO2, PM2.5, Formaldehyde, TVOC, Temperature, and Humidity Meter
$48.95 Save $5.05 RRP: $54.00
Travel Carbon Monoxide Detector IP67 Portable
$179.00 Save $50.00 RRP: $229.00
Gas Detectors Household Air Quality Detector Co2 Tester With Carbon Dioxide Value Electricity Quantity Temperature
$59.00
Gas Detectors K2 Electromagnetic Field Emf Gauss Meter Radiation Detector Portable Emf Magnetic-field Monitor 5
$69.00
Air Quality Monitor CO2 Detector PM2.5 PM10 Formaldehyde Sensor Indoor Air Quality Measurement Device
$209.00 Save $100.00 RRP: $309.00
Natural Gas Detector and Carbon Monoxide CO Detector,Combustible Gas Detector Monitor for Co, Methane in Kitchen-EU Plug
$32.95 Save $36.05 RRP: $69.00
55211491A Oxygen Sensor O2 Sensor for
$36.95 Save $9.00 RRP: $45.95
Portable CO2 Temperature Humidity Monitor Air Quality Monitor Infrared NDIR Detector Indoor Outdoor Detection Tools
$47.95
Indoor Air Quality Monitor,CO2 Monitor/Temperature/Formaldehyde Detector/Humidity TVOC for Rooms,Grow Tents Black
$19.95
MT03 Air Quality Monitor with Stand CO2 Temperature Humidity Tester CO2 Detector Carbon Dioxide Detector Black
$22.95
Indoor Air Quality Monitor,CO2 Monitor/Temperature/Formaldehyde Detector/Humidity TVOC for Rooms,Grow Tents White
$19.95
Tuya WiFi 16 in 1 Air Quality Monitor Multifunction PM2.5 PM10 HCHO TVOC CO Carbon Dioxide Screen Display Air Detector A
$40.95
MS1100 gas sensor module, high- TVOC and CO2 detection
$11.95 Save $3.00 RRP: $14.95
Air Quality Monitor Indoor,Portable Detector,Real Time Monitoring,Large Display with Voice Alert,Ho
$64.00 Save $10.00 RRP: $74.00
SCD41 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature D
$94.00 Save $25.00 RRP: $119.00
Wjl-6000 Freon / Halogen Leak Detector Habicare
$64.00
Electrochemical Sensor CO Tester LCD Screen PPM Detector White
$21.95 Save $6.00 RRP: $27.95
Portable Co2 Monitor Air Quality Humidity Tester Co2 Detector Classrooms Restaurants Co2 Monitor Infrared Ndir Detector unbrand
$199.00 Save $90.00 RRP: $289.00
Co2 Detector Air Quality Monitor Co2 Air Detector Carbon Dioxide Detector
$44.95 Save $34.05 RRP: $79.00
Digital Carbon Dioxide Monitor with USB Charging - Temperature, Humidity, TVOC Detection - Black
$54.00 Save $45.00 RRP: $99.00
CO2 Sensor Module 0‑10000ppm Carbon Dioxide Detection Sensor Board TTL Output for Testing
$64.00 Save $15.00 RRP: $79.00
Air Quality Detector for CO2, CO2 Carbon Dioxide Detector, CO2 Monitor, Air Pollution Temperature and Humidity Detector 6 in 1 Sensor Real-time Displa
$94.00 Save $45.00 RRP: $139.00
WIFI Household Combustible Gas Detector
$69.00 Save $35.00 RRP: $104.00
Portable Ozone Analyzer Multifunctional Intelligent O3 Ozone Meter Gas Detector Sensor Quality Poll Viewleaf
$159.00 Save $70.00 RRP: $229.00
9 In1 Air Quality Monitor Meter Carbon Dioxide PM2.5 PM1.0 Detection
$43.95
5v 1200mah Co2 Tester Hdo5 Air Quality Detector Electricity Temperature Humidity Display Black
$229.00 Save $120.00 RRP: $349.00
Co2 Air Detector Carbon Dioxide Detector Agricultural Production Greenhouse Co2 Monitor
$139.00 Save $60.00 RRP: $199.00
Gas leak detector with audible and visual alarm
$129.00 Save $60.00 RRP: $189.00
Tuya Wifi Air Quality Monitor Co2 Carbon Dioxide Meter Temperature Humidity Measuring Detector Ndir
$119.00 Save $60.00 RRP: $179.00
Wintact Wt8822 Hydrogen Sulfide Detector Lcd Display H2s Gas Tester Hydrogen Sulfide Concentration
$339.00 Save $185.00 RRP: $524.00
Portable Desktop CO2 Sensor, Professional Air Quality Monitor CO2 Detector with Long Battery Life, Carbon Dioxide Detector, Temperature Relative Humid
$129.00 Save $60.00 RRP: $189.00