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Shop the best prices on 7,806 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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2,177 - 2,208 of 7,806
CO2 Detector Portable Battery Operated Temperature Humidity Meter Air Quality Monitor Infrared Smart WiFi Sensor White
$119.00 Save $20.00 RRP: $139.00
Smart Bluetooth Dissolved Oxygen Meter, Portable 0.0-30Mg/L Dissolved Oxygen Meter Range, Dissolved Edition
$139.00 Save $90.00 RRP: $229.00
Professional Smart Sensor St8990 Monitor Rechargeable 4in1 O₂ Lel Co H₂s Gas Detector Tester Sensor With Backlight Alarm
$289.00
6 In 1 Pm2.5 Pm10 Hcho Tvoc Detector Co Co2 Formaldehyde Monitor Home Office Air Quality Tester,white
$199.00
Multifunctional Air Detectors, Pollen/co/co2/tvoc/pm2.5/pm1.0/humidity/temperature Carbon Monoxide
$379.00 Save $570.00 RRP: $949.00
3 in 1 Carbon Dioxide Detector Air Quality Monitor Temperature Humidity Air Analyzer 2pcs for CO2 Di
$79.00 Save $100.00 RRP: $179.00
Air quality monitor, multifunctional portable carbon dioxide monitor, indoor temperature and humidit
$419.00 Save $455.00 RRP: $874.00
Tuya 9-in-1 Wifi Air Quality Monitor Co2 Gas Tester
$189.00 Save $270.00 RRP: $459.00
SCD40 Gas Sensor Module Detector CO2 Carbon Dioxide Temperature and Humidity Sensor I2C Communication Gas Sensor Module
$59.00
Naiwang 6 In 1 Pm2.5 Pm10 Hcho Tvoc Co Co2 Air Quality Detector Co Carbon Dioxide Formaldehyde Monitor Lcd Large Screen Display
$139.00 Save $70.00 RRP: $209.00
Indoor Co2 Meter, Carbon Dioxide Detector, Air Quality Mon With Ndir Sensor, 1600mah
$459.00 Save $690.00 RRP: $1,149.00
CO2 Sensor Module Carbon Dioxide Gas Concentration Sensor with Temperature Humidity Detection 400‑2000ppm
$79.00 Save $25.00 RRP: $104.00
Tuya WiFi 15in1 Air Quality Detector Household Portable PM0.3 PM1.0 PM2.5 PM10 CO CO2 TVOC HCHO Tes
$84.00 Save $65.00 RRP: $149.00
1 PCS Mini Car Air Ion Tester Meter Counter for Negative Air Ion Generator with LCD Display 5ZHRM
$119.00 Save $20.00 RRP: $139.00
Real-Time CO2 Detector and Air Quality Monitor - Accurate Indoor Temp & Humidity Tracking
$104.00
Digital Tester Carbon Dioxide Detector Air Quality Monitor Black
$74.00
Portable Propane Methane and Natural Gas Leak Detector Combustible Gas Tester Meter Sniffer with Sound Light Alarm Sensitive Adjustable
$69.00 Save $25.00 RRP: $94.00
Air Analyzer Gas Leak Detector Gas Analyzer Sound Alarm Ppm Meter Combustible Gas Flammable Natural
$359.00 Save $515.00 RRP: $874.00
SMART SENSOR Hand-held CFCs HCFCs HFCs Halogen Gas Detector Refrigerant Air Conditioning Detector Freon Gas Leak Tester
$74.00 Save $20.00 RRP: $94.00
MF6600 Thermal Mass Flow Meter Digital MEMS Gas Flowmeter with LCD Display RS485 Output Adjustable
$159.00 Save $20.00 RRP: $179.00
Sndway Sw-7500a Gas Detector Meter 4 In 1 Oxygen O2 Carbon Monoxide Co H2s Ex Combustible Gas Analyzer Leak Detector
$289.00
Portable CO Gas Detector Gas Tester with 01000ppm Range 1PPM Resolution ABS
$74.00
Mini Indoor Carbon Dioxide Concentration Detector Portable Air Quality Monitoring Co2 Detector
$99.00 Save $70.00 RRP: $169.00
O2-a2 Oxygen Sensor For Bw Technologies Gas Detectors
$94.00 Save $85.00 RRP: $179.00
5-in-1 Indoor Air Quality Sensor HCHO/TVOC/AQI/CO / CO2 Meter Multifunctional Air Gas Detector Real Time Data Record wholesales
$104.00 Save $35.00 RRP: $139.00
Digital CO2 Sensor PPM Meters Mini Carbon Dioxide Detector Gas Analyzer
$84.00 Save $35.00 RRP: $119.00
Co2 Sensor Module Detector Carbon Dioxide Temperature Humidity 3-in-1 Transmitter 485
$289.00
ASAIR ACD10 Electronic Carbon Dioxide Sensor Module Infrared NDIR High-Precision CO2 Gas Concentrat
$14.95 Save $6.00 RRP: $20.95
Handheld Oxygen Detector
$574.00
Portable Gas Leakage Alarm Combustible Gas Detector for Petroleum Methane 3000PPM AC90-240V US Plug
$49.95 Save $24.05 RRP: $74.00
CO2 Air Quality Detector, CO2 Carbon Dioxide Detector, CO2 Monitor, Air Pollution Temperature And Humidity Detector 6 In 1 Sensor Real Time Display Ed
$84.00 Save $35.00 RRP: $119.00
Natural Gas Detector and Carbon Monoxide CO Detector,Combustible Gas Detector Monitor for Co, Methane in Kitchen-EU Plug Edition a
$41.95 Save $17.05 RRP: $59.00