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Shop the best prices on 7,774 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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3,169 - 3,200 of 7,774
High Accuracy Carbon Dioxide Sensor Co2 Transmitter 400-5000ppm For Agricultural Greenhouse120-4~20ma Current Output
$249.00
9 In1 Co2 Meter Air Quality Monitor App Bt Carbon Dioxide Detector Tvoc Hcho Pm2.5 Pm1.0 Pm10 Temperature Humidity Co2 Sensor
$209.00
CO2 Meter CO2 Temperature and Humidity Sensor ndir CO2 Detector Air Quality Meter
$159.00 Save $230.00 RRP: $389.00
Ouitble Co2 Detector Carbon Dioxide Monitor Tester,3 in 1 Indoor Air Quality Monitor Portable Monitor for Co2 Temperature and Humidity
$119.00 Save $20.00 RRP: $139.00
6 in 1 Air Quality Detector for CO O2 Temperature Humidity Atmospheric Pressure Altitude, Monitor fo
$104.00
Dc24v Combustible Gas Detector Combustible Gas Alarm For Toxic Gas Detection Industrial Testing
$219.00
5 In 1 Air Quality Monitor Usb Rechargeable Digital Co2 Hcho Tvoc Temperature Humidity Tester Ndir Carbon Dioxide Meter
$69.00
20 in 1 Tuya WIFI Air Quality Detector CO/CO2/TVOC/HCHO/PM2.5/PM1.0/PM10/Temp/Humidity/Time/DateW/
$129.00
Environment Detector Air Gas Monitor Temperature Humidity Formaldehyde Alarm 100‑240V
$149.00 Save $40.00 RRP: $189.00
4 In 1 H2s/co/o2/ex Multi Gas Detector Handheld Portable Air Analyzer High Precision Toxic Harmful Gas Tester With Alarm Systerm
$299.00
Methane Gas Leak Detector 50000PPM
$59.00
Gas Monitor Meter High Accuracy Multifunctional ABS Portable Gas Leak Detector for Kitchen Industry
$64.00 Save $25.00 RRP: $89.00
USB Charging Carbon Dioxide Air Quality Detector Temperature Humidity Environment Monitor CO2 Gas C
$79.00
Alarm Function Co2 Sensor 400-5000ppm Co2 Meters Indoor Co2 Monitor
$149.00 Save $90.00 RRP: $239.00
9-in-1 Air Quality Monitor with CO2 Alarm | Indoor Portable VOC Sensor | Air Detector Tester
$199.00 Save $240.00 RRP: $439.00
Formaldehyde Detector Air Quality Monitor Pm 2.5 Portable Display Air Pollutants Family Decoration Co2 Meter Analyzer
$149.00
Combustible Gas Detector Gas Analyzer Lpg Meter Flammable Natural Gas Leak Location Determine Meter Tester Buzzer Alarm
$139.00
Testo 316-2 Gas Leak Detector 0632 3162 For Methane,propane And Hydrogen
$1,549.00
Mini Co2 Detector, Air Quality Monitor, And Lightweight Co2 Monitor You Can Use Anywhere Black
$79.00 Save $40.00 RRP: $119.00
Freon Leak Detector, Wjl-6000 Refrigerant Hvac Leak Detector, Halogen Gas Sniffer
$79.00 Save $110.00 RRP: $189.00
Portable Handheld Meter O3 Detector Yzer Sensor Gas Detector
$199.00 Save $200.00 RRP: $399.00
5-In-1 Air Quality Monitor Home Air Quality Detector Pollution Tester Co/co2/hcho/aqi/tvoc Carbon Monoxide Sensor Co2 Meter
$209.00
Vml-1 Leak Detector R410a R32 Refrigerant Snow Refrigerator Air Conditioner Halogen Detector
$469.00
Mini CO2 Detector,Air Quality Monitor, Infrared CO2 Monitor for Travel Home Indoor,You Can Use Anywh
$79.00 Save $130.00 RRP: $209.00
Air Dust Particle Counter Sensor Monitor PM2.5/10 Temperature Humidity Meter Air Quality Dust Conce
$289.00 Save $40.00 RRP: $329.00
ST8310a carbon dioxide tester recorder air quality detector temperature and humidity monitor EU 1002
$499.00 Save $650.00 RRP: $1,149.00
Freon Leak Detector, Wjl-6000 Refrigerant Hvac Leak Detector, Halogen Gas Sniffer unbrand
$74.00 Save $25.00 RRP: $99.00
LXS‑20E 1/2 Liquid‑Sealed Water Meter, Rotating Wing Dry Type Water Meter, for Home
$79.00 Save $20.00 RRP: $99.00
4-in-1 Gas Detector with Sensors for Carbon Monoxide Oxygen and Gases Portable Harmful Alarms for S
$199.00
WiFi Smart Air Quality Monitor CO2 Meter TVOC HCHO PM2.5 Tester Digital CO2 Sensor Formaldehyde Gas
$69.00 Save $60.00 RRP: $129.00
Oil Gas Monitoring Probe One Detector Sensor Module Modbus Rs485 Concentration Transmitter Monitor Collection
$209.00
Fyearfly Digital PH Monitor, Water Quality Tester Liquid PH Meter Kit LCD Backlight Digital Display, for 0℃~50℃ Water Drinking Pool
$74.00 Save $15.00 RRP: $89.00