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Shop the best prices on 8,022 great value gas detectors. Shopping for gas detectors is easy with Fruugo, with SALE discounts, offers and savings on Viewleaf, GreenZech, Habicare 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
AD8361 RF Microwave Real Power Detector, AM Detector, Amplitude Detection
$17.95 Save $5.00 RRP: $22.95
Type-c charging home school hotel indoor use portable air quality carbon dioxide detector temperatur
$104.00 Save $55.00 RRP: $159.00
Co2 Air Detector Carbon Dioxide Detector Agricultural Production Co2 Monitor
$54.00
CO2 Detector, Indoor Air Quality Monitor, TVOC Meter,for Office Home
$37.95 Save $11.00 RRP: $48.95
Air Quality Monitor CO2 Meter Carbon Dioxide Detector Silver
$54.00 Save $20.00 RRP: $74.00
-6000UV Halogen Leak Detector Freon Leak Detector R22 R410A R134A
$37.95 Save $16.05 RRP: $54.00
MH-Z19C Pin Probe Low-Power Infrared Carbon Dioxide Gas Sensor CO2 Gas Concentration Leak Detection Probe 400-5000 Ppm
$52.95 Save $26.05 RRP: $79.00
Water Leak Detector-flood Detector Water Alarm Wireless Water Detectors With Sound And Light Alarm, White
$69.00
Air Quality Monitor CO2 Monitor Formaldehyde Detector TVOC/Temp./Humidity Indoor with Buzzer Prompt,
$38.95 Save $60.05 RRP: $99.00
9 In1 Air Quality Monitor Meter Carbon Dioxide Detector TVOC HCHO PM2.5 PM1.0 PM10 Temperature Humid
$44.95 Save $64.05 RRP: $109.00
UVB Tester High Accuracy UVB Detector UVB Test Instrument for Reptile
$169.00 Save $120.00 RRP: $289.00
Magnetic Field Viewing Film,Magnetic Field Detector
$44.95 Save $34.05 RRP: $79.00
PM2.5 PM10 Digital Particle Concentration Sensor PMS5003
$30.95 Save $21.00 RRP: $51.95
For Sur Ron LCD Display Meter Speedometer
$74.00 Save $45.00 RRP: $119.00
Zigbee/Tuya WIFI Smart Air Box Carbon Dioxide Detector CO2 Gas Sensor
$59.00 Save $45.00 RRP: $104.00
Air Quality Monitor 5 in 1 Air Quality Detector C02 Detector HCHO TVOC Tester LCD Temperature Humid
$18.95 Save $1.00 RRP: $19.95
WJL-6000 Freon Leak Detector Halogen Leak Detector R22 R410A R134A R1234YF Refrigerant Gas HVAC Air Conditioner Tester Tool
$69.00 Save $15.00 RRP: $84.00
MICS-5524 Air Quality Gas Sensor Module CO H2 Methane Ethanol Detection Board High Sensitivity for I2C for Arduino DIY
$14.95 Save $7.00 RRP: $21.95
Tuya Wifi Gas Leak Detector Combustible Gas Alarm Color Screen Display Temperature for Kitchen Villa Warehouse
$54.00 Save $25.00 RRP: $79.00
Natural Gas Leak Detector, Plug-in Propane Natural Gas Detector for Home Kitchen RV,Combustible & Gas Alarm US Plug unbrand
$23.95
ANENG HD02 Halogen Leak Detector R22/R32/R134a Gas Detector Analyzer Rechargable Refrigerant Gas Air Conditioning Tester Tool unbrand
$38.95
1PCS Formaldehyde Sensor Module MQ138 MQ-138 Sensor Module unbrand
$29.95
Ozone Detector 3-in-1 Portable O3 /Temperature/Humidity Tester Air Quality Household O3 Monitor USB Charging Black unbrand
$50.95
Portable Household Gas Alarm Natural Gas Detector LCD Display Independent Combustible Gas Alarm US Plug
$30.95 Save $13.00 RRP: $43.95
2.4G Wifi Natural Gas Sensor Combustible Smart LPG Gas Alarm Detector Leakage Sensor Wifi Temperature Detectors EU PLUG
$32.95 Save $15.00 RRP: $47.95
HT66 Gas Leak Detector 50-1000PPM Sound Alarm Mini Household Detector
$34.95 Save $24.05 RRP: $59.00
Oxygen Sensor AO-02 Gas Detector Compatible with AO2 AA428-210 AO2PTB-18.10 2pcs unbrand
$64.00 Save $45.00 RRP: $109.00
Tuya WIFI Air Quality Monitor 5 in 1 Formaldehyde VOC CO2 Temperature Humidity Detector Sensor Support Remote Control
$27.95 Save $21.00 RRP: $48.95
High-Precision Gas Tester Rechargeable Portable HCHO Alarm Trending TVOC Air Quality Formaldehyde Detector unbrand
$129.00 Save $100.00 RRP: $229.00
Ammonia Gas Detectors NH3 Gas Analyzers Meter Alarm Device
$179.00 Save $80.00 RRP: $259.00
SCD41 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature C
$39.95 Save $29.05 RRP: $69.00
CO2 Infrared NDIR Sensor Air Quality Detector Digital Gas Analyzer
$43.95 Save $35.05 RRP: $79.00