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Shop the best prices on 6,462 great value gas detectors. Shopping for gas detectors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Habicare, Ebox 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
Digital RV Propane Gas Detector with 85dB Loud Alarm, DC 12V, for Trailer, Motorhome, Motorcoach White
$28.95 Save $45.05 RRP: $74.00
5-in-1 Air Quality Detector with Stand USB Type-C Multifunctional Automatic Display Portable CO2,HC
$34.95 Save $4.00 RRP: $38.95
WiFi Smart Air Quality Monitor CO2 Meter TVOC HCHO PM2.5 Tester Digital CO2 Sensor Formaldehyde Gas Detector Tuya APP B
$74.00
MF6600 Thermal Mass Flow Meter Digital MEMS Gas Flowmeter with LCD Display RS485 Output Adjustable
$159.00 Save $20.00 RRP: $179.00
Portable Detector(0-20 PPM&0.01 PPM High Resolution), Meter with Alarm,Temp & Humidity Tester US Pl
$199.00 Save $20.00 RRP: $219.00
4 Gas Monitor,4 Gas Detector for H2S,CO,LEL and O2,Adopt High-Precision ADC Acquisition Chip and 32-Bit Nano-Processor B
$219.00
USB Charging Carbon Dioxide Air Quality Detector Temperature Humidity Environment Monitor CO2 Gas Concentration NDIR
$69.00
Tuya Smart Life Natural GAS CO Leak Carbon Monoxide Detector WIFI CH4 Methane Combustible Leakage C
$47.95 Save $11.05 RRP: $59.00
US Plug,4 in 1 Gas Monitor for O2,CO,H2S,Combustible Gas Tester, Gas Leak Detector with Sound,Light
$139.00 Save $10.00 RRP: $149.00
New Soil Detector 5-in-1 PH Meter Horticulture Humidity Meter Flower Pot Illumination Fertility Met
$27.95 Save $6.00 RRP: $33.95
Carbon Monoxide Detector Gas Leak Detector 4 in 1 Gas Detector Temperature Humidity Sensor with LCD Display US Plug B
$28.95
Combustible Gas Detector Natural Gas Leak Detector Methane LPG Leak Detection Analyzers Tool with Audible Visual Alarm
$41.95
Tuya 300m ME204R RF433 Gas Detector LED Display Smart Home Device(EU)
$449.00 Save $30.00 RRP: $479.00
WiFi Smart Carbon Monoxide Alarm,WiFi CO Gas Detector with Tuya
$36.95 Save $2.00 RRP: $38.95
Combustible Gas Detector, Combustible Gas Alarm, Air Quality Monitor
$36.95 Save $2.00 RRP: $38.95
SCD40 Gas Sensor Module Detects B
$26.95 Save $2.00 RRP: $28.95
Mini Carbon Monoxide Detector CO Air Quality Monitor HD LED Screen
$48.95 Save $3.00 RRP: $51.95
SW-723 Gas Detector Carbon Dioxide CO2 Monitor Alarm
$259.00 Save $10.00 RRP: $269.00
CCS811 Gas Sensors Carbon Dioxide Detection Sensors Module
$22.95 Save $2.00 RRP: $24.95
Air Quality Monitor CO2 Meter Carbon Dioxide Detector Black
$39.95 Save $2.00 RRP: $41.95
Oxygen Detector with Pump Suction O2 Meter
$129.00
SCD40 Gas Sensor Module Detects CO2 Carbon Dioxide 2 in 1 Sensor
$99.00 Save $10.00 RRP: $109.00
CO Gas Sensor Carbon Monoxide Sensor UART Digital Output SC16-CO
$31.95 Save $2.00 RRP: $33.95
HT66 Gas Leak Detector 50-1000PPM Sound Alarm Mini Household Detector
$28.95 Save $1.00 RRP: $29.95
89465-BZ070 Oxygen Sensor O2 Sensor for
$21.95 Save $2.00 RRP: $23.95
Tuya ZigBee Gas Leak Detector Smart Alarm Sensor Combustible Gas Leakage Alarm for Home Security APP Remote Control
$40.95 Save $28.05 RRP: $69.00
Co2 Sensor Module Detector Carbon Dioxide Temperature Humidity 3-in-1 Transmitter 485
$289.00
Tuya ZigBee Gas Leak Detector Smart Alarm Sensor Combustible Gas Leakage Alarm for Home Security APP Remote Control
$34.95
-Z19 -Z19C IR Infrared CO2 Sensor Module Carbon Dioxide Gas Sensor NDIR Accessories
$20.95 Save $19.00 RRP: $39.95
3 in 1 CO2 Meter Air Quality Monitor Handheld 5000Ppm CO2 Monitor Measurement Carbon Dioxide / De
$41.95 Save $27.05 RRP: $69.00
Combustible Gas Detector Gas Alarm Digital Combustible Gas Detection Instrument Gas Leak Tester Intelligent Air Quality Detector with Sound Alarm
$36.95 Save $11.00 RRP: $47.95
-Z19C Pin Probe Low-Power Infrared Carbon Dioxide Gas Sensor CO2 Gas Concentration Leak Detection P
$50.95 Save $13.05 RRP: $64.00