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Shop the best prices on 7,401 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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7,009 - 7,040 of 7,401
Halogen Gas Detector 501000PPM Sound Light Alarm Air Conditioning Refrigerant Freon Leakage Tester
$28.95 Save $8.00 RRP: $36.95
SMART SENSOR AS8900 4 in 1 Combustible Gas Detector Analyzer Handheld Multi-Gas Monitor Gas Detector O₂ CO H₂S Analyzer Explosion-Proof
$379.00 Save $110.00 RRP: $489.00
Tuya Wifi Portable Air Quality Meter 7in1 PM2.5 PM10 Carbonic Oxide CO2 TVOC HCHO AQI Tester TFT Color Screen Carbon Dioxide Detector with Time and Da
$54.00 Save $95.00 RRP: $149.00
MQ137 Ammonia Gas Detection Sensor Module NH3 Gas Sensor Module
$17.95 Save $2.00 RRP: $19.95
AR8100 Handheld O2 Meter Rechargeable Oxygen Detector for Outdoor Industry 100‑240V
$209.00 Save $30.00 RRP: $239.00
Portable CO2 Detector - Indoor Air Quality Sensor - Carbon Dioxide Measurement Device - Humidity Meter
$139.00
Wireless Smart Home Gas Leak and Smoke Detector Wireless Gas Sensor
$84.00
Ozone Meter Analyzer Air Detector Intelligent Sensor Ozone Counter Air Quality Pollution Monitor
$229.00
Natural Gas and Propane Leak Detector with Voice Alert and Digital Display, Suitable for Methane and LNG Detection
$64.00
20-In-1 Tuya WIFI Air Quality Detector CO/CO2/TVOC/HCHO/PM2.5/PM1.0/PM10/Temp/Humidity 5Pcs Subunit
$149.00 Save $60.00 RRP: $209.00
SCD40 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature and Humidity 2 in 1 Sensor
$23.95 Save $22.00 RRP: $45.95
9 In1 Air Quality Monitor Meter Carbon Dioxide Detector TVOC HCHO PM2.5 PM1.0 PM10 Temperature Humid
$42.95 Save $36.05 RRP: $79.00
5802392206 5801799729 5801471119 Nitrogen Oxide Sensor for Urea for Daily EURO 6
$79.00 Save $70.00 RRP: $149.00
Carbon Dioxide Detector Air Quality Detector Gas Analyzer Thermometer and Hygrometer Co2 Tester
$49.00
Air Quality Monitor CO2 Monitor Formaldehyde Detector TVOC/Temp./Humidity Indoor with Buzzer Prompt,
$35.95 Save $33.05 RRP: $69.00
Formaldehyde Monitor Carbon Dioxide Detector TVOC Detector Temperature and Humidity CO 2 Air Quality Monitor Black
$20.95
Mini Co2 Detector (color)
$159.00 Save $80.00 RRP: $239.00
Tuya WiFi 15 in 1 Air Quality Detector Household Portable PM0.3 PM1.0 PM2.5 PM10 CO CO2 TVOC HCHO T
$43.95 Save $55.05 RRP: $99.00
5Pcs Air Pollution Sensor JW01C02V2.2 VOC Air Quality Detection Module ZP07 MP503 for C02 Benzene F
$20.95 Save $4.00 RRP: $24.95
Gas Melder CO2 Infrared NDIR Sensor, Air Quality Detector, Carbon Dioxide Temperature and Humidity Monitor White
$79.00 Save $40.00 RRP: $119.00
CO2 Meter Air Quality Handheld 5000Ppm CO2 Monitor, S8601
$20.95 Save $13.00 RRP: $33.95
Gas Detector Ao-02 Compatible with Models Ao2 Aa428-210 and Ao2ptb-18.10 SZRH A-C
$38.95 Save $20.05 RRP: $59.00
Portable 15-in-1 Air Quality Detector for Smart Home - PM0.3, PM1.0, PM2.5, PM10, CO, CO2, TVOC, HCHO Tester in Black
$119.00
Digital Combustible Gas Detector - Sound Alarm, Air Quality Sensor (DB)
$64.00 Save $15.00 RRP: $79.00
SCD41 CO2 sensor module with temperature and humidity detection
$34.95
Tuya Smart Data Storage Oxygen Concentration Air Detector Outdoor Camping Carbon Monoxide Temperature Humidity Meter
$99.00 Save $40.00 RRP: $139.00
Air Quality Monitor 010000 PPM Professional Gas Leak Detector Gooseneck CH4 Natural Coal Gas 4Alarm Digital Display
$189.00 Save $90.00 RRP: $279.00
Air Quality Monitor CO2 Monitor Formaldehyde Detector TVOC/Temp./Humidity Indoor with Buzzer Prompt,Backlit Screen unbrand
$45.95
-6000UV Halogen Leak Detector Freon Leak Detector R22 R410A R134A R1234YF Refrigerant Gas Air Conditioner Tester Tool
$37.95
HT609 Pro Combustible Gas Detector Retractable 50-1000PPM Sound & Screen Alarm Natural Methane Gas Detector
$41.95
6 in 1 PM2.5 PM10 HCHO TVOC CO CO2 Air Quality Detector CO CO2 Formaldehyde Monitor Home Office Air Quality Tester,Black
$32.95
WiFi Smart Gas Leakage Detector Highly Sensitive Combustible Gas Alarm LPG Natural Gas Sensor EU PLUG
$23.95