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Shop the best prices on 8,042 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.

Filters
1,505 - 1,536 of 3,200
6 In 1 Pm2.5 Pm10 Hcho Tvoc Co Co2 Air Quality Detector Co Co2 Formaldehyde Monitor Home Office Air
$40.95 Save $33.05 RRP: $74.00
-SGP30 ECO2 Air Quality Gas Sensor Module TVOC Detection Chip Compatible for Demo Board
$59.00 Save $20.00 RRP: $79.00
Digtial UV Index Tester Ultraviolet Radiation Index Meter UVA+UVB in Sunlight Solar Film Blocking Performance Detector
$94.00 Save $15.00 RRP: $109.00
Thermometer Hygrometer Mini Round LCD Digital Tester Sensor Detector for X1 P1 Filament Drying Box Black
$7.95 Save $1.00 RRP: $8.95
HT-1890 Gas Pressure Gauge Manometer Digital Manometer Data Hold Dual Port Air Pressure Gauge HVAC Gas Teste Meter
$79.00 Save $10.00 RRP: $89.00
TDS Water Quality Test Pen Tap Water Mineral Detection Tool Water Purifier RO Machine Water Temperature Test Instrument
$17.95 Save $3.00 RRP: $20.95
Oxygen Sensor AO-02 Gas Detector Compatible with AO2 AA428-210 AO2PTB-18.10 2pcs
$74.00 Save $45.00 RRP: $119.00
MICS-5524 Air Quality Gas Sensor Module CO H2 Methane Ethanol Detection Board High Sensitivity for I2C for Arduino DIY
$13.95 Save $7.00 RRP: $20.95
2.4G Wifi Natural Gas Sensor Combustible Smart LPG Gas Alarm Detector Leakage Sensor Wifi Temperature Detectors EU PLUG
$26.95
SC8 Single-Channel (400-5000 Ppm) CO2 Sensor High-Precision Infrared CO2 Concentration Detection Module
$17.95
Oxygen Sensor AO-02 Gas Detector Compatible with AO2 AA428-210 AO2PTB-18.10
$48.95 Save $90.05 RRP: $139.00
Portable Gas Leak Detector with ble Alarm and Display for Home Safety
$69.00 Save $60.00 RRP: $129.00
15-In-1 Tuya WIFI Rechargeable Household Digital Air Quality Detector CO2/CO/TVOC/HCHO/PM2.5/Temp/H
$51.95 Save $12.05 RRP: $64.00
Uadme Water Quality Tester,Liquid PH Meter LCD Backlight Digital Display for Drinking Pool
$74.00 Save $20.00 RRP: $94.00
Co2 Detector, Indoor Air Quality Monitor, 3-in-1 Co2 Meter,therm La Mode Co2 Sensor With Temperature
$329.00 Save $320.00 RRP: $649.00
MQ136 Hydrogen Sulfide Gas Sensor Module H2S Gas Detection Sensor
$22.95
Outdoor CO2 Detector 5 in 1 Temperature Humidity Flame Retardant Housing Air Quality Monitor for Camping 5V
$179.00 Save $20.00 RRP: $199.00
Radon Detector Monitor the Average Value of Air Radon Concentration Gas Detector Analyzing Tool Rad
$209.00 Save $60.00 RRP: $269.00
Combustible Gas Detector 50‑50000PPM LCD Display Screen Portable Gas Leak Tester for Pipeline
$104.00 Save $25.00 RRP: $129.00
SFD-02 4-in-1 Indoor Air Quality Monitor Touch Screen Formaldehyde Detector HCHO TVOC Temperature
$94.00 Save $65.00 RRP: $159.00
US PLUG,Gas Monitor for O2, CO, H2S, Combustible Gas Detector,4 Gas Leak Detector with Sound,Light
$139.00 Save $20.00 RRP: $159.00
Halogen Leak Detector Air Conditioning Refrigerant Leak Detector
$46.95 Save $22.05 RRP: $69.00
12v Gas Detector Sensor Alarm Propane Butane Lpg Natural Motorhome Camper
$89.00 Save $80.00 RRP: $169.00
Natural Gas Leak Alarm Warning Sensor Detector Home Security Tool with Indicator Light
$20.95 Save $19.00 RRP: $39.95
Tuya WIFI Combustible Gas Detector Gas Alarm Gas Detection Sensor,B
$33.95 Save $13.00 RRP: $46.95
CY-12C Portable Oxygen Analyzer Oxygen Concentration Tester Handheld Oxygen Tester Analysis Instruments
$139.00 Save $70.00 RRP: $209.00
MG811 CO2 Sensor Sensor Module
$38.95 Save $11.00 RRP: $49.95
HT66 Gas Leak Detector 50-1000PPM Sound Alarm Mini Household Handheld Combustible Natural Methane G
$29.95 Save $6.00 RRP: $35.95
3 in 1 CO2 Meter Air Quality Monitor Handheld 5000Ppm CO2 Monitor Measurement Carbon Dioxide / De
$47.95 Save $5.00 RRP: $52.95
Rm370 carbon monox detector
$59.00
WT8822 Hydrogen Sulfide Detector Portable H2S Leakage Monitor with Sound Light Alarm
$149.00 Save $20.00 RRP: $169.00
Lutron Gs-5800 Ultrasonic Leak Detector Gs5800 Ultrasonic Leak Detector
$699.00