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Shop the best prices on 7,783 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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257 - 288 of 7,783
DR850 4 in 1 Portable Multi Gas Detector IP65 Waterproof Gas Leak Meter for O2 / CO / H2S / COMB
$199.00 Save $90.00 RRP: $289.00
Portable Ultrasonic Oxygen Measuring Instrument,for Detection PSA Oxygen Generator Output Concentration,Flow Rate
$339.00 Save $160.00 RRP: $499.00
Air Quality Detector Monitor Indoor Tester Carbon Dioxide Sensor Wall-Mounted Co2 Detector Carbon Dioxide Monitor
$139.00 Save $70.00 RRP: $209.00
Ammonia Gas Detectors NH3 Gas Analyzers Meter Alarm Device Digital Gas Leak Detectors 0-100PPM
$209.00 Save $90.00 RRP: $299.00
5 in 1 Air Quality Monitor TVOC HCHO Temperature Humidity CO2 Meter, USB Rechargeable CO2 Detector
$18.95
CO2 Infrared NDIR Sensor Air Quality Detector Carbon Dioxide Temperature Humidity Monitor Digital G
$39.95
Wifi Natural Gas Sensor Combustible Household Smart Gas Alarm Detector Leakage Sensor Wifi Temperat
$33.95
Zigbee/Tuya WIFI Smart Air Box Carbon Dioxide Detector CO2 Gas Sensor Formaldehyde VOC Temperature Humidity Sensor
$29.95
MT03 Air Quality Monitor CO2 Temperature Humidity Tester CO2 Detector Carbon Dioxide Detector Black
$20.95 Save $4.00 RRP: $24.95
MT03 Air Quality Monitor with Stand CO2 Temperature Humidity Tester CO2 Detector Carbon Dioxide Det
$22.95 Save $3.00 RRP: $25.95
Gas Detector Oxygen O2 Hydrogen Sulfide H2S Carbon Monoxide CO Combustible Gas LEL Gas Meter
$99.00 Save $50.00 RRP: $149.00
Tuya Wifi Air Quality Monitor Smart Home CO2 Detector Formaldehyde VOC CO2 CH2O Temperature Humidity
$59.00 Save $30.00 RRP: $89.00
Portable CO2 Monitor with Air Quality Detection, 5000ppm Carbon Dioxide Measurement Tool
$59.00 Save $30.00 RRP: $89.00
High-Precision Gas Tester Rechargeable Portable HCHO Alarm Trending TVOC Air Quality Formaldehyde Detector
$129.00 Save $70.00 RRP: $199.00
Natural Gas Detector and Carbon Monoxide CO Detector,Combustible Gas Detector Monitor for Co, Methane in Kitchen-EU Plug
$32.95 Save $36.05 RRP: $69.00
Air Quality Monitor Indoor,Portable Detector,Real Time Monitoring,Large Display with Voice Alert,Ho
$64.00 Save $10.00 RRP: $74.00
Wjl-6000 Freon / Halogen Leak Detector Habicare
$64.00
Portable Co2 Monitor Air Quality Humidity Tester Co2 Detector Classrooms Restaurants Co2 Monitor Infrared Ndir Detector unbrand
$189.00 Save $100.00 RRP: $289.00
Counter Smart Counter Morning Bluetooth Smart Counting Ring(4)
$34.95 Save $29.05 RRP: $64.00
Electrochemical CH2O Formaldehyde Sensor Gas HCHO Sensor Module Smart Home Devices
$16.95 Save $7.00 RRP: $23.95
SCD41 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature C
$36.95 Save $2.00 RRP: $38.95
High-Concentration Ozone Detector Module with Analog TTL Output for 10-1000PPM Gas Sensing Applications
$18.95 Save $24.00 RRP: $42.95
CO2 Meter Alarm Instrument Carbon Dioxide Detector Multifunctional Thermohygrometer Air Quality Detector for Home
$94.00 Save $45.00 RRP: $139.00
Natural Gas Detector 0-10000Ppm,Sensitive Gas Leak Detector with Audible & Visual Alarm,Portable Gas Sniffer
$35.95 Save $18.05 RRP: $54.00
Bestseller Tuya Smart WiFi Natural Gas Leak Detector for Home with EU Plug Combustible LPG Alarm Sensor
$119.00 Save $30.00 RRP: $149.00
5-in-1 Air Quality Monitor for Formaldehyde, VOC, CO2, Temperature, and Humidity Detection Sensor
$36.95 Save $32.05 RRP: $69.00
CO2 Sensor Module 0‑10000ppm Carbon Dioxide Detection Sensor Board TTL Output for Testing
$59.00 Save $20.00 RRP: $79.00
Air Quality Detector for CO2, CO2 Carbon Dioxide Detector, CO2 Monitor, Air Pollution Temperature and Humidity Detector 6 in 1 Sensor Real-time Displa
$89.00 Save $50.00 RRP: $139.00
WIFI Household Combustible Gas Detector
$69.00 Save $30.00 RRP: $99.00
Portable Ozone Analyzer Multifunctional Intelligent O3 Ozone Meter Gas Detector Sensor Quality Poll Viewleaf
$159.00 Save $60.00 RRP: $219.00
5v 1200mah Co2 Tester Hdo5 Air Quality Detector Electricity Temperature Humidity Display Black
$229.00 Save $120.00 RRP: $349.00
Co2 Air Detector Carbon Dioxide Detector Agricultural Production Greenhouse Co2 Monitor
$129.00 Save $70.00 RRP: $199.00