Filters

Gas Detectors

Shop the best prices on 3,937 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.

Filters
65 - 96 of 3,200
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
Mq-2,Mq-3,Mq-4, Mq-5, Mq-6, Mq-7, Mq-8, Mq-9, Mq-135 Gas Sensor Detection Module Detecting Methane Liquefied Gas Smoke Sensor
From $15.95
Portable Air Quality Detector Multifunctional Digital Carbon Dioxide Monitor For Bedroom Home Office
From $48.95
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
SMART SENSOR AS5750 Refrigerant Leak Detector High Sensitive USB Rechargeable Halogen Leak Detector
From $159.00
H2S Monitor with Warning Light, Temperature View and Hold Key for Daily Industrial Field Work, Sewer Inspection and Site Travel Use Multicolor 2026
From $219.00
O3 Ozone Meter Ozone Analyzer Air Detector Intelligent Sensor Ozone Counter Air Quality Pollution Monitor - XC,New 2026
From $219.00
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 $289.00
CY-12C Oxygen Level Detector with Quick Response Time,New 2026
From $259.00
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
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
Co2 Detector Carbon Dioxide Gas Concentration Meter Temperature Humidity Measuring Machine
From $179.00
Combustible Gas Detector Propane CO Hexane Methane Leak Indicator Port Natural Gas Analyzer 0-100%
From $64.00
MQ131 Ozone Sensor Module for Accurate Ozone Gas Detection and Monitoring
From $28.95
MQ131 Ozone Sensor Module for Accurate Ozone Gas Detection and Monitoring
From $28.95
Gas Leak Detector Analyzer Carbon Monoxide Sensor LCD Digital Displayer Natural Gas 2 in 1 Alarm Sy
From $24.95
Carbon Monoxide Detectors Portable Formaldehyde Sensor Digital Air Quality Monitor Gas Analyzer LCD HCHO TVOC Detector
From $32.95
2.8-inch LCD CO2 Concentration Tester Mini Carbon Dioxide Detector Humidity & Temperature Meter Air Quality Monitor 1200mAh Lithium Battery CO2 Meter
From $34.95
Air Detector Pm2.5 Pm10 Co2 Formaldehyde Temperature Detector
From $99.00
Portable Air Quality Monitor Indoor CO2 Detector 5 in 1 Formaldehyde HCHO TVOC Tester LCD Temperatur
From $47.95
Portable Gas Leak Detector Tester Propane Methane Natural Gas Sensor Alarm
From $54.00
5 in 1 Air Quality Monitor, USB Rechargeable CO2 Detector Black
From $19.95
Co2 Detector Dioxide Detector Cultural Co2 Mon (xiatian)
From $64.00
Portable Detector Functal Digital Dioxide Mon For Home Bed
From $24.95
6-in-1 Portable Oxygen Detector with CO, Altimeter, Barometer, Temperature, Humidity Monitor for Outdoor Activities
From $119.00
SGP41 VOC Sensor Module Dual Gas Environment Detection Industrial Wide Temperature Range STEMMA QT/Qwiic Interface
From $16.95