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Shop the best prices on 4,089 great value gas detectors. Shopping for gas detectors is easy with Fruugo, with SALE discounts, offers and savings on Viewleaf, Generic1, GreenZech and more. Buy gas detectors online safely with Fruugo, with secure payment and fast shipping to Canada.

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2,753 - 2,784 of 3,200
BSIDE G1 Combustible Gas Detector Ambient Temperature Natural Gas Methane Propane Gasoline Leak Tester
From $49.95
Rm370 carbon monox detector
From $44.95
Handheld Carbon Monoxide Meter, 80Db Light CO Leak Detector, Portable Handheld CO Detector, CO Gas
From $69.00
Propane And Natural Leak 3-in-1 Temperature & Humidity Lcd Display Sniffer Handheld Gas Detector
From $54.00
9821121180 Nox Sensor for Nitrogen Oxide Sensor
From $104.00
9821121180 Nox Sensor for Nitrogen Oxide Sensor
From $119.00
CO Gas Sensor Carbon Monoxide Sensor UART Digital Output SC16-CO
From $24.95
MQ137 Ammonia Gas Detection Sensor Module NH3 Gas Sensor Module Household Appliance Accessories Analog TTL Level Output
From $25.95
ZE25-O3 Ozone Sensor Module for Ozone Monitoring, 0-10ppm Range with Multiple Output Options
From $59.00
Co2 Meter Pm2.5 Tvoc Co2 Hcho Temperature Humidity Detector Quality Monitor Co2 Sensor Analyzer Black Viewleaf
From $64.00
CY-12C Portable Oxygen Analyzer Oxygen Concentration Tester Handheld Oxygen Tester Analysis Instruments
From $129.00
Rm370 Carbon Monox Detector Yalo
From $84.00
Stainless Steel FOB Detector Foam on Beer Detector Beer Foam Detection Equipment Accessories
From $139.00
Portable Air Quality Detector Multifunctional Digital Carbon Dioxide Monitor For Bedroom Home Office
From $47.95
Sener CO2 Carbon Dioxide Gas Sensor S88 Can Replace S8 0053 for SenseAir S88 CO2 Gas Sensor
From $59.00
For YYS Electrochemical Ozone O3 Gas Sensor Module for Ozone Concentration Detection Disinfection Cabinet SC01-O3
From $24.95
H2S Monitor with Warning Light, Temperature View and Hold Key for Daily Industrial Field Work, Sewer Inspection and Site Travel Use Multicolor 2026
From $209.00
O3 Ozone Meter Ozone Analyzer Air Detector Intelligent Sensor Ozone Counter Air Quality Pollution Monitor - XC,New 2026
From $209.00
Gas Detector Leak Detector Natural Coal Gas Methane Propane Butane Detector Lpg Lng Portable Digital Led Sound Alarm For City Rv Home Mobile,New 2026
From $279.00
CY-12C Oxygen Level Detector with Quick Response Time,New 2026
From $249.00
Innovative Co2 Air Quality Monitor, Portable Co2 & Pm Sensor compatible with Comprehensive Air Quality Analysis In Any Indoor Space
From $109.00
Natural gas detector [MI]
From $39.95
Portable Gas Leak Detector | Handheld Gas Sniffer for Home, Kitchen, Hotel, Car & Catering
From $54.00
Refrigerant Leak Detector for HVAC and Automotive AC, 0-1000 ppm CFCs/HCFCs with Flexible Probe
From $74.00
Portable Ozone O3 Detector with Adjustable Alarm Threshold, Handheld Air Quality Monitor
From $179.00
IR Infrared CO2 Sensor Module Carbon Dioxide Gas Sensor NDIR
From $37.95
Cjmcu-811 Ccs811 Carbon Monoxide Co Vocs Air Quality Numerical Gas Sensor Module For Arduino
From $48.95
Formaldehyde Sensor Module ZE08-CH2O with UART Output for Air Quality Monitoring
From $31.95
Portable Gas Leak Detector for Propane, Methane & Natural Gas with Battery
From $47.95
Portable Gas Leak Detector for Propane, Methane & Natural Gas with Lanyard, Black
From $47.95
NDIR Carbon Dioxide CO2 Sensor Module MH-Z14A Serial Port PWM Analog Output 0-5000ppm
From $49.95
12 in 1 Air Quality Monitor CO2 Monitor with Time/ Date Display WIFI PM2.5 PM10 CO CO2 TVOC HCHO Te
From $41.95