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Shop the best prices on 8,028 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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1,537 - 1,568 of 3,200
Usb Rechargeable Carbon Dioxide Detector 4inch Tft Colour Screen Air Quality Monitor Co2 Meter With Ambient Temperature Humidity
$209.00
LCD Display Nuclears Radiation Detector Multifunctional Radioactive Geigers Counter for Home
$119.00 Save $110.00 RRP: $229.00
High Accuracy Air Quality Monitor CO CO2 HCHO TVOC Detector Gas Detector
$104.00 Save $35.00 RRP: $139.00
-SGP30 ECO2 Air Quality Gas Sensor Module TVOC Detection Chip
$14.95 Save $2.00 RRP: $16.95
9 In1 Air Quality Monitor Meter Carbon Dioxide PM2.5 PM1.0 Detection
$54.00 Save $25.00 RRP: $79.00
SCD40 Gas Sensor Module Detector CO2 Carbon Dioxide
$59.00 Save $20.00 RRP: $79.00
3-In-1 Portable Carbon Dioxide Detector Air Quality Detector
$69.00 Save $25.00 RRP: $94.00
Refrigerant & Combustible Gas-Leak Detector, PPM Freon Leak Detector with Loud Alarm, for R134A R41
$50.95 Save $8.05 RRP: $59.00
Oxygen Sensor AO-02 Gas Detector Compatible with AO2 AA428-210 AO2PTB-18.10
$94.00 Save $25.00 RRP: $119.00
2pcs Digital Carbon Monoxide (co) Detector Alarm Battery Powered
$31.95 Save $32.05 RRP: $64.00
Formaldehyde Monitor Carbon Dioxide Detector TVOC Detector Temperature and Humidity CO 2 Air Quality Monitor Black
$26.95 Save $8.00 RRP: $34.95
MT03 Air Quality Monitor CO2 Temperature Humidity Tester CO2 Detector Carbon Dioxide Detector White
$24.95 Save $8.00 RRP: $32.95
CO2 Infrared NDIR Sensor Air Quality Detector Carbon Dioxide Temperature Humidity Monitor Digital Gas Analyzer
$45.95 Save $13.05 RRP: $59.00
Mini 3 in 1 LCD Digital Carbon Dioxide Detector Air Quality Tester Multifunction CO2 Thermometer Hygrometer NDIR Sensor
$47.95 Save $16.05 RRP: $64.00
Type A Tuya Smart Gas Alarm Zigbee Combustible Gas Detector Natural Gas Alarm Device
$59.00 Save $50.00 RRP: $109.00
CCS811 Gas Sensors Carbon Dioxide Detection Sensors Module CO2 ECO2 TVOC Air Quality Detecting Outp
$19.95 Save $6.00 RRP: $25.95
Semiconductor CO2 Gas Sensor Carbon Dioxide Gas Sensor Air Quality Sensor Module UART Output JW01-C
$9.95 Save $3.00 RRP: $12.95
Tuya Smart Wifi Natural Gas Sensor Combustible Coal Gas LPG Gas Leakage Alarm Detector Fire Securit
$23.95 Save $4.00 RRP: $27.95
CO2 Detector, Indoor Air Quality Monitor, TVOC Meter,for Office Home
$28.95
Mini Carbon Monoxide Detector CO Air Quality Monitor HD LED Screen
$49.95
Air Quality Monitor Indoor, Air Quality Detector, CO2 Monitor Black
$41.95
Portable Carbon Dioxide Detector Air Quality Tester CO2 Meter
$40.95
2 in 1 PH TDS Meter Tester Water Quality Monitor Online Acidity Monitor Analyzers Tester for Aquari
$54.00 Save $10.00 RRP: $64.00
Portable Household Gas Alarm Natural Gas Detector LCD Display Independent Combustible Gas Alarm US Plug
$28.95 Save $19.00 RRP: $47.95
Portable Continuous Quantitative Analysis Ammonia Gas Hold 9000B Detector 0-100ppm Rechargeable with
$399.00 Save $175.00 RRP: $574.00
Ozone Analyzer O3 Ozone Gas Detector Intelligent Sensor Ozone Meter Air Quality Gas Monitor Temperature Humidity Tester
$33.95
Natural Gas Detector Pen Type Leak Detector Combustible Gas Meter Analyzer Monitor For Home Visible Audible Alarm
$47.95
5V Air Quality Detector Full Color Large Screen Indoor Pollution Tester for CO CO2 HCHO TVOC Gas Detector NO.7451
$59.00 Save $15.00 RRP: $74.00
Air Monitor Co2 Carbon Dioxide Detector Air Quality Temperature Humidity Monitor Fast Measurement M unbrand
$64.00 Save $20.00 RRP: $84.00
Portable Ozone Analyzer Multifunctional Intelligent O3 Ozone Meter Gas Detector Sensor Air Quality
$149.00 Save $220.00 RRP: $369.00
6 in 1 Air Quality Detector,Carbon Monoxide Detector,CO O2 Temperature Humidity Atmospheric Pressur
$99.00 Save $40.00 RRP: $139.00
Co2 Detector Aiment 3 In 1 Carbon Dioxide Detector Wall Mount Ndir Sensor Air Quality Monitor Temperature Humidity Air Analyzer
$139.00