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Shop the best prices on 8,113 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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65 - 96 of 3,200
Type-c charging home school hotel indoor use portable air quality carbon dioxide detector temperatur
$104.00 Save $55.00 RRP: $159.00
Oxygen Detector Meter Monitor High Accuracy Handheld Portable Concentration Measurement for Home O2 Gas
$189.00 Save $120.00 RRP: $309.00
Co2 Air Detector Carbon Dioxide Detector Agricultural Production Co2 Monitor
$54.00
BENGGUO CO2 Bicycle Pump with Insulated Sleeve CO2 Bike Tire Inflator Schrader Presta Valve for Qui
$11.95 Save $2.00 RRP: $13.95
Air Quality Monitor Indoor, Air Quality Detector, CO2 Monitor Black
$50.95 Save $23.05 RRP: $74.00
CO2 Infrared NDIR Sensor Air Quality Detector Digital Gas Analyzer
$45.95 Save $18.05 RRP: $64.00
CO2 Detector, Indoor Air Quality Monitor, TVOC Meter,for Office Home
$37.95 Save $11.00 RRP: $48.95
Combustible Gas Detector, Combustible Gas Alarm, Air Quality Monitor
$45.95 Save $18.05 RRP: $64.00
Air Quality Monitor CO2 Meter Carbon Dioxide Detector Silver
$54.00 Save $25.00 RRP: $79.00
-6000UV Halogen Leak Detector Freon Leak Detector R22 R410A R134A
$38.95 Save $15.05 RRP: $54.00
Multi Gas Detector Gas Meter O2 H2S CO 4 in 1 Oxygen Hydrogen Sulfide Carbon Monoxide Combustible Gas Leak Detector
$139.00
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
CO2 Air Detector Carbon Dioxide Detector Agricultural Production Greenhouse CO2 Monitor
$19.95 Save $6.00 RRP: $25.95
CO2 Air Detector Carbon Dioxide Detector Agricultural Production Greenhouse CO2 Monitor White
$28.95 Save $8.00 RRP: $36.95
Natural Gas Detector Natural Gas Detector With Digital Display Eu Plug
$59.00 Save $15.00 RRP: $74.00
Natural Gas Detector Natural Gas Detector With Digital Display Eu Plug
$54.00 Save $20.00 RRP: $74.00
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
$45.95 Save $63.05 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
$45.95 Save $33.05 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 $55.00 RRP: $129.00
Zigbee/Tuya WIFI Smart Air Box Carbon Dioxide Detector CO2 Gas Sensor
$64.00 Save $40.00 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
Mestek Halogen Leak Detector High Sensitivity R22 R32 R134a Refrigerant HVAC Air Conditioner Freon Gas Leak Temp Tester unbrand
$44.95
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