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Shop the best prices on 7,803 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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1,025 - 1,056 of 7,803
5 in 1 Air Quality Monitor TVOC HCHO Temperature Humidity CO2 Meter, USB Rechargeable CO2 Detector
$54.00 Save $35.00 RRP: $89.00
5 In1 CO2 Meter Digital Temperature Humidity Tester Carbon Dioxide Detector Air Quality Monitor TVOC
$32.95 Save $17.00 RRP: $49.95
Carbon Dioxide Controller Dual Channel Split Probe Co2 Monitor Co2 Pressure Reducer Valve For Green
$269.00
Mz-1008 Nuclear Radiation Detector Electromagnetic Ionization Marble Radioactive Radiation Tester Professional Geiger Counter
$219.00
Ht60 Combustible Gases Leak Detector With Audible & Visual Alarm Portable Natural Methane Propane Tester Gas Analyzer Pen
$49.95
Wall Mounted Wifi Gas Leak Detector
$179.00
US PLUG,Gas Monitor for O2, CO, H2S, Combustible Gas Detector,4 Gas Leak Detector with Sound,Light
$139.00 Save $10.00 RRP: $149.00
Refrigerant Leak Detector Hvac Checker For Halogen R134a R410a R22a Air Condition
$84.00 Save $25.00 RRP: $109.00
Combustible Gas Detector 50‑50000PPM LCD Display Screen Portable Gas Leak Tester for Pipeline
$104.00 Save $25.00 RRP: $129.00
PM2.5 Air Quality Module (PMSA003) Ambient Air Quality Testing Module DC5V Power Supply M5Core Pedestal
$104.00
Co2 Air Detector 3-in-1 Indoor Co2 Detector Air Quality Monitor Detects Co2 Home Office Light-and-s unbrand
$139.00 Save $70.00 RRP: $209.00
Gas Tester Protect Safety Usb Power Supply Accurate Display Rugged Durable Gas Detector
$119.00
3Pcs Gas Leak Detector Combustible Propane Butane Methane Natural Gas Safety Alarm Sensor Warning EU Plug
$64.00 Save $30.00 RRP: $94.00
SFD-02 4-in-1 Indoor Air Quality Monitor Touch Screen Formaldehyde Detector HCHO TVOC Temperature
$89.00 Save $60.00 RRP: $149.00
Radon Detector Monitor the Average Value of Air Radon Concentration Gas Detector Analyzing Tool Rad
$199.00 Save $60.00 RRP: $259.00
MQ136 Hydrogen Sulfide Gas Sensor Module H2S Gas Detection Sensor
$21.95
Combustible Gas Detector Digital Display Methane Liquefied Gas Natural Gas Detector Us Plug Ac100240v
$279.00
Znaz2co3 Infrared Sensor 5 In 1 Multifunctional Carbon Dioxide Detector For Home(black )
$159.00
5-In-1 Bluetooth-connected Carbon Dioxide Tester For Detecting Tvoc Formaldehyde Concentrated Air Quality Temperature Humidity Co GreenZech
$94.00 Save $175.00 RRP: $269.00
Co2 Detector, Indoor Air Quality Monitor, Ndir Sensor Carbon Dioxide Detector, Temperature Humidity
$119.00 Save $60.00 RRP: $179.00
BME688 Environmental Sensor Module Temperature/Humidity/Pressure/Gas AI Smart I2C for A
$31.95 Save $7.00 RRP: $38.95
MICS-4514 Gas Sensor Module Co/No2/NH3/T4 Concentration Detection Board
$49.95 Save $14.05 RRP: $64.00
Electrochemical CH2O Formaldehyde Sensor Gas HCHO Sensor Module Smart Home Devices
$17.95 Save $4.00 RRP: $21.95
TPM-200A Carbon Monoxide Sensor Module Interference- High-Precision CO Air Quality Detection Sensor
$10.95 Save $2.00 RRP: $12.95
CO Gas Sensor Carbon Monoxide Sensor UART Digital Output SC16-CO
$26.95 Save $6.00 RRP: $32.95
Gas Leak Detector 803 Oxygen Gas Detector Oxygen Gas Detector 803 Blue Digital Display Oxygen Gas Le
$109.00 Save $70.00 RRP: $179.00
Automatic Alarm Gas Leak Detector Methane Gas Natural Gas Liquefied Petroleum Gas Combustible Gas Fl
$84.00 Save $55.00 RRP: $139.00
Portable Continuous Quantitative Analysis Ammonia Gas Hold 9000B Detector 0-100ppm Rechargeable with
$389.00 Save $235.00 RRP: $624.00
4 Gas Monitor,4 Gas Detector for H2S,CO,LEL and O2,Adopt High-Precision ADC Acquisition Chip and 32-
$199.00 Save $110.00 RRP: $309.00
Tuya Smart Data Storage Oxygen Concentration Air Detector Outdoor Camping Carbon Monoxide Temperatur
$109.00 Save $60.00 RRP: $169.00
UT336A Refrigerant Leak Detector Cfcs Hcfcs Hfcs Leakage Tester for Air Conditioning Automobile Refr
$89.00 Save $50.00 RRP: $139.00
3X SCD40 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature and Humidity 2 in 1 Sensor
$79.00 Save $50.00 RRP: $129.00