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Shop the best prices on 7,831 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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1,505 - 1,536 of 7,831
MICS-4514 Gas Sensor Module Co/No2/NH3/T4 Concentration Detection Board
$50.95 Save $13.05 RRP: $64.00
CO Gas Sensor Carbon Monoxide Sensor UART Digital Output SC16-CO
$27.95 Save $6.00 RRP: $33.95
TPM-200A Carbon Monoxide Sensor Module Interference- High-Precision CO Air Quality Detection Sensor
$10.95 Save $3.00 RRP: $13.95
-12C Portable Oxygen Analyzer Oxygen Concentration Tester Handheld Oxygen Tester Analysis Instrumen
$139.00 Save $20.00 RRP: $159.00
Travel Carbon Monoxide Detector, IP67 Waterproof Portable CO Gas Alarm for Vehicle, Aviation, Campi
$169.00 Save $20.00 RRP: $189.00
Nitric Oxide Detector 0‑50ppm 3.5in TFT Display Handheld NO Gas Tester Sensor for Home
$1,599.00
WJL-6000UV Halogen Leak Detector Freon Leak Detector R22 R410A R134A
$35.95
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
$74.00 Save $15.00 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
Portable Household Gas Alarm Natural Gas Detector LCD Display Independent Combustible Gas Alarm US Plug
$33.95 Save $25.05 RRP: $59.00
Oxygen Sensor AO-02 Gas Detector Compatible with AO2 AA428-210 AO2PTB-18.10 2pcs
$69.00 Save $50.00 RRP: $119.00
15-In-1 Tuya WIFI Rechargeable Household Digital Air Quality Detector CO2/CO/TVOC/HCHO/PM2.5/Temp/H
$50.95 Save $13.05 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
$89.00 Save $70.00 RRP: $159.00
High Accuracy Greenhouse CO Sensor Detector Wall Mounted Carbon Monoxide Transmitter0-5V
$109.00 Save $30.00 RRP: $139.00
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 $17.05 RRP: $64.00
CO2 Infrared NDIR Sensor Air Quality Detector Digital Gas Analyzer
$45.95 Save $13.05 RRP: $59.00
12v Gas Detector Sensor Alarm Propane Butane Lpg Natural Motorhome Camper
$89.00 Save $80.00 RRP: $169.00
Indoor Air Quality Monitor,CO2 Monitor/Temperature/Formaldehyde White
$27.95 Save $8.00 RRP: $35.95
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
Handheld Oxygen Concentration Detector Temperature and Humidity Detection Oxygen Detector Oxygen Te
$119.00 Save $30.00 RRP: $149.00