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Shop the best prices on 8,064 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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2,625 - 2,656 of 3,200
Concrete Moisture Meter Wall Tester Pinless Moisture Measurement Device with LCD Alarm MD917plus Moisture Meter
$119.00 Save $70.00 RRP: $189.00
MH-Z19 MH-Z19C IR Infrared CO2 Sensor Module Carbon Dioxide Gas Sensor NDIR Accessories
$15.95 Save $16.00 RRP: $31.95
Tuya WiFi Smart Air Quality Monitor 6-in-1 PM2.5 / Formaldehyde / TVOC / CO2 / Temperature / Humidit
$69.00 Save $120.00 RRP: $189.00
CO Gas Sensor Carbon Monoxide Sensor UART Digital Output SC16B-CO (0-1000PPM)
$22.95 Save $7.00 RRP: $29.95
Tuya Wifi Smart Natural Gas AlarmSensor with Temperature Function Combustible Gas Leak Detector LCD Display Tuya App(EU)
$33.95
4-in-1 Gas Detector with Sensors for Carbon Monoxide Oxygen and Toxic Gases Portable Harmful Alarms for Safety
$279.00
HD02 Leak Detector R22/R32/R134a Gas Detector Analyzer Rechargable Refrigerant Gas Air Conditionin
$40.95 Save $9.00 RRP: $49.95
PT02 Plus WiFi Air Quality Monitor Detects Pollen TVOC CO CO2 PM2.5 1.0 Temp RH IoT Controller RS48
$179.00 Save $10.00 RRP: $189.00
DR850 4 in 1 Portable Multi Gas Detector IP65 Waterproof Gas Leak Meter for O2 / CO / H2S / COMB
$159.00 Save $20.00 RRP: $179.00
Carbon Dioxide Controller Dual Channel Split Probe CO2 Monitor CO2 Pressure Reducer Valve for Green
$249.00 Save $20.00 RRP: $269.00
Carbon Dioxide Controller Single Channel Split Probe CO2 Monitor CO2 Pressure Reducer Valve for Gre
$239.00 Save $20.00 RRP: $259.00
Refrigerant Leak Detector 0-1000PPM Air Conditioning HVAC Refrigerant Leak Detector HCFC HFO Tester
$54.00 Save $10.00 RRP: $64.00
Natural Leak Detector for Home & Industrial, Rechargeable Combustible Detector 0-100% LEL Monitor,w
$179.00 Save $30.00 RRP: $209.00
Natural Gas Detector 0-10000Ppm,Sensitive Gas Leak Detector with Audible & Visual Alarm,Portable Gas Sniffer
$36.95 Save $15.00 RRP: $51.95
Bestseller Tuya Smart WiFi Natural Gas Leak Detector for Home with EU Plug Combustible LPG Alarm Sensor
$119.00 Save $30.00 RRP: $149.00
-Z19C Pin Probe Low-Power Infrared Carbon Dioxide Gas Sensor CO2 Gas Concentration Leak Detection P
$48.95 Save $3.00 RRP: $51.95
Handheld Oxygen Air Quality Monitor High Precision Temperature Humidity O3 Sensor Gas Detector Indoor O3 Quality Monitor
$109.00
NDIR CO2 Sensor Infrared Carbon Dioxide Sensor Module with Serial Port PWM Analog Output CO2 Gas De
$45.95 Save $13.05 RRP: $59.00
1PCS Formaldehyde Sensor Module MQ138 MQ-138 Sensor Module
$30.95
HLW-100 4-in-1 Air Quality Detector Formaldehyde CO2 PM2.5 PM10 Tester Smart Air Monitor Real-Time
$46.95 Save $12.05 RRP: $59.00
CO2 Meter Alarm Instrument Carbon Dioxide Detector Multifunctional Thermohygrometer Air Quality Detector for Home
$94.00 Save $45.00 RRP: $139.00
Gas Detector
$179.00 Save $90.00 RRP: $269.00
Gas leak detector with audible and visual alarm
$129.00 Save $60.00 RRP: $189.00
ST8310a carbon dioxide tester recorder air quality detector temperature and humidity monitor EU 1002
$599.00 Save $325.00 RRP: $924.00
Noncombustible Gas Leak Meter Detector - Portable Detector Natural Gas Tester W/ Flexible Neck Senso
$129.00 Save $60.00 RRP: $189.00
Co2 Air Detector Carbon Dioxide Detector Agricultural Production Greenhouse Co2 Monitor
$139.00 Save $60.00 RRP: $199.00
3-In-1 CO Carbon Monoxide Monitor CO Temperature and Humidity Detector CO Air Quality Monitor HD LED Screen
$84.00 Save $55.00 RRP: $139.00
Co2 Detector, Indoor Air Quality Co2 Monitor Carbon Dioxide Monitor Ndir Sensor 400-5000 Ppm, Usb Re
$319.00 Save $170.00 RRP: $489.00
Air Quality Monitor Formaldehyde Detector Pollution Meter Sensor Tester Detect & Test Indoor Polluti
$369.00 Save $205.00 RRP: $574.00
Digital Co2 Meter Gas Detector Co2 Sensor Air Quality Monitor Formaldehyde Tvoc Carbon Dioxide Wirel
$129.00 Save $60.00 RRP: $189.00
5v 1200mah Co2 Tester Hdo5 Air Quality Detector Electricity Temperature Humidity Display Black
$229.00 Save $120.00 RRP: $349.00
3 in 1 CO2 Meter Air Quality Monitor Handheld 5000Ppm CO2 Monitor Measurement Carbon Dioxide / De
$49.95 Save $34.05 RRP: $84.00