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Shop the best prices on 7,356 great value gas detectors. Shopping for gas detectors is easy with Fruugo, with SALE discounts, offers and savings on Viewleaf, GreenZech, Other and more. Buy gas detectors online safely with Fruugo, with secure payment and fast shipping to Canada.

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417 - 448 of 7,356
Refrigerant Gas Analyzer Gas Leak Tester Halogen Freon Leak Detector Air Quality Conditioning Monitor CFCs HCFCs HFCs R22 R134A
$109.00
Multi Gas Detector Gas Meter O2 H2s Co 4 In 1 Oxygen Hydrogen Sulfide Carbon Monoxide Combustible G
$439.00
Air Quality Detector Indoor Dust Monitor Multifunctional Air Detector with RealTime Data for Home and Various Occasions
$79.00 Save $40.00 RRP: $119.00
Multifunctional Gas Detector for Refrigerant Leak Detection in Automotive Air Conditioning Systems with Easy Maintenance Handheld Leak Detector
$104.00 Save $55.00 RRP: $159.00
Portable Combustible Gas Detector, Sensitive Gas Leak Tester, USB Rechargeable CH4 and C4H10 Detector Ref: 3499
$79.00 Save $40.00 RRP: $119.00
Carbon Dioxide Controller Dual Channel Split Probe CO2 Monitor CO2 Pressure Reducer Valve for Green
$259.00 Save $70.00 RRP: $329.00
Tuya Wifi Air Quality Monitor Co2 Carbon Dioxide Meter Temperature Humidity Measuring Detector Ndir
$79.00 Save $40.00 RRP: $119.00
Carbon Dioxide Controller Single Channel Split Probe CO2 Monitor CO2 Pressure Reducer Valve for Gre
$279.00
Tuya Smart WiFi CO2 Detector Sensor Air Quality Monitor TVOC CO2 CH2O Temperature Humidity Meter De
$59.00
Multifunctional Portable Analyzer Meter Gas Detector Sensor
$119.00 Save $20.00 RRP: $139.00
Ammonia Test Meter NH3 Concentration Tester Ammonia Gas Detector Ammonia Alarm Device
$179.00 Save $90.00 RRP: $269.00
WiFi Smart Air Quality Monitor CO2 Meter TVOC HCHO PM2.5 Tester A
$64.00 Save $10.00 RRP: $74.00
Air quality monitors, gas analyzer, combustible gas detector (AS8800L)
$119.00 Save $60.00 RRP: $179.00
Air Quality Monitor, Gas Leak Detector Alarm for Flammable Gas Methane CO CH4
$99.00 Save $50.00 RRP: $149.00
Portable Analyzer Multifunctional Intelligent O3 Meter Gas Detector Sensor Air Quality Pollution Mo
$139.00
Natural gas detector: Plug-in Multi-gas detector for Natural gas and LPG, 85, for Carbon monoxide, Natural gas & LPG, 85 DB (gas sensor)
$59.00 Save $25.00 RRP: $84.00
12v Gas Detector Sensor Alarm For Propane, Butane, Lpg, Natural Gas - Ideal For Motor Homes And Campers
$43.95 Save $20.05 RRP: $64.00
Mh-z19 Mh-z19e Ir Infrared Co2 Sensor Module Carbon Dioxide Gas Sensor Ndir For Co2 Monitor 400-500
$49.00 Save $25.00 RRP: $74.00
Formaldehyde Monitor Carbon Dioxide Detector TVOC Detector Temperature and Humidity CO 2 Air Qualit
$20.95 Save $4.00 RRP: $24.95
ANENG GN801 Gas-sensitive Semi-conduct Detector 300~10000PPM Gas Leakage Analyzer Combustible Meter Environment Test Sensor Tool
$36.95 Save $11.00 RRP: $47.95
-6000-L Freon Leak Detector Halogen Leak Detector Refrigerant Gas HVAC R22 R410A R1234YF Detector with UV Light
$37.95 Save $8.00 RRP: $45.95
CO2 Air Detector Carbon Dioxide Detector Agricultural Production Greenhouse CO2 Monitor White
$40.95 Save $13.05 RRP: $54.00
Mini Smart WIFI Mini CO Detector Indoor Air Quality Monitor Portabl CO Temperature Humidity Meter Monitor CO Tester
$45.95 Save $8.05 RRP: $54.00
Tuya WIFI Combustible Gas Detector Gas Alarm Digital Gas Detection Sensor Sound Alarm Smart Air Quality Detector,B
$35.95 Save $7.00 RRP: $42.95
Rm370 carbon monox detector - ZCL1978 hwy 4188451894730
$54.00 Save $40.00 RRP: $94.00
SMART SENSOR ST8990 Multi Gas Monitor Rechargeable 4 in 1 O LEL CO HS Gas Detector Tester Sensor with Backlight Alarm Function LCD Display
$189.00 Save $60.00 RRP: $249.00
2.9-inch Air Quality Monitor CO2 Meter USB Rechargeable Thermometer & Hygrometer TVOC/HCHO/CO2 Detector CO2 Concentration Detector for Home Office
$45.95 Save $13.05 RRP: $59.00
Air Quality Monitor CO2 Detector 5 in 1 IR Accurate Tester for CO2 TVOC HCHO Temperature Relative Humidity Real Time Reading with Alarm Comfort Level
$69.00 Save $20.00 RRP: $89.00
Portable Air Quality Monitor Indoor CO2 Detector 5 in 1 Formaldehyde HCHO TVOC Tester LCD Temperature Humidity Tester Rechargeable CO2 Alarm Meter for
$54.00 Save $15.00 RRP: $69.00
Freon Leak Detector WJL-6000 Refrigerant HVAC Leak Detector Halogen Gas Sniffer Automotive Gas Finder Halogen Leakage Tester Checker for R134a R410A R
$48.95 Save $15.05 RRP: $64.00
HABOTEST HT56 Pro Pen-Type Stretchable Gas Leak Detector with Audible and Visual Alarms Highly Sensitive Sniffer Natural Gas Detector to Locate Combus
$43.95 Save $15.05 RRP: $59.00
Portable USB Rechargeable PM2.5 Detector Multifunctional Thermohygrometer Home Air Detector Indoor Air Quality Analyzer Household Air Pollution Monito
$69.00 Save $20.00 RRP: $89.00