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Shop the best prices on 1,019 great value gas detectors. Shopping for gas detectors is easy with Fruugo, with SALE discounts, offers and savings on Habicare, 9eight5, Fstniceted and more. Buy gas detectors online safely with Fruugo, with secure payment and fast shipping to United States.

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673 - 704 of 1,019
5pcs 4H2S100 Hydrogen Sulfide Gas Sensor for Industrial H2S Detection with Easy Installation
$279.00 Save $130.00 RRP: $409.00
Nitrogen Gas Detector N2 Leak Detector with Alarm 0100% VOL Precision Wall Mounted
$1,249.00 Save $600.00 RRP: $1,849.00
CCS811 CO2 Sensor Module with TVOC Detection, Accurate I2C Air Quality Monitor for Indoor Use
$26.95 Save $12.00 RRP: $38.95
Gas Sensor Module Mini Version for Precision Flammable Gas Detection with Stable Performance 2025
$16.95 Save $7.00 RRP: $23.95
Carbon Dioxide Detector Air Quality Monitor With Temperature And Relative Humidity Meter For Car, Gym, Rooms
$35.95 Save $18.05 RRP: $54.00
Mini Detector Carbon Dioxide Detector Non-WiFi Portable Indoor Air Quality Monitor Compact CO2 Sensor
$48.95 Save $25.05 RRP: $74.00
Carbon Dioxide Detector Portable CO2 Monitor Air Quality Monitor With Upgraded NDIR Sensor And Digital Display
$35.95 Save $18.05 RRP: $54.00
Carbon Dioxide Detector Tabletop CO2 Meter With Temperature And Humidity For Car, Gym, Rooms, Offices, Classrooms
$35.95 Save $18.05 RRP: $54.00
Infrareds Carbon Dioxide Detector Lightweight Portable CO2 Monitor With Temperature And Relative Humidity
$35.95 Save $18.05 RRP: $54.00
CO2 Carbon Dioxide Air Quality Monitor Lightweight Portable CO2 Detector With Upgraded NDIR Sensor And Digital Display
$35.95 Save $18.05 RRP: $54.00
Air Quality Monitor With WiFi, Indoor Outdoor Air Pollution Detector, 1200mAh Battery, Measures Environmental Factors
$48.95 Save $25.05 RRP: $74.00
Carbon Dioxide Detector Tabletop CO2 Meter With Temperature And Humidity For Car, Gym, Rooms, Offices, Classrooms
$35.95 Save $18.05 RRP: $54.00
15 In 1 Carbon Dioxide Detector Multi Sensor Air Quality Monitor With PM TVOC HCHO Formaldehyde And Temperature Humidity
$94.00 Save $55.00 RRP: $149.00
Carbon Dioxide Detector Lightweight Portable Air Quality Monitor With Temp Relative Humidity Meter For Car, Gym, Rooms
$35.95 Save $18.05 RRP: $54.00
Industrial Gas Detector with External Pump for Continuous Monitoring of Flammable Gases, Oxygen, Carbon Monoxide, and Hydrogen Sulfide
$84.00 Save $45.00 RRP: $129.00
VOC Gas Detector 010000ppm with AudioVisual Alarm for Industrial PPM Monitoring and Analysis
$319.00 Save $160.00 RRP: $479.00
Indoor Air Quality CO2 HCHO TVOC Detector with Real-Time Data Monitoring and Portable Design
$50.95 Save $28.05 RRP: $79.00
PM6310 Portable Leak Detector for Flammable Gases with High Sensitivity Sensors for Fast Detection and Accurate Response
$89.00 Save $50.00 RRP: $139.00
AP388 Gas Detector Analyzer Gas Leak Detection, Sound And LED Alarm, Car Shutdown, Natural Gas And Coal Gas
$41.95 Save $22.05 RRP: $64.00
Carbon Dioxide Detector Upgraded NDIR CO2 Sensor, Air Quality Monitor With Accurate Digital Display
$35.95 Save $18.05 RRP: $54.00
Formaldehyde Sensors ZE08CH2O Serial Port Output Calibrated Concentration Measurement
$23.95 Save $12.00 RRP: $35.95
HT66 Natural Gas Leak Detector Methane 50-1000 PPM Acoustic Alarm Compact Home Use
$249.00 Save $120.00 RRP: $369.00
HT66 Flammable Gas Leak Detector Natural Gas/Methane Detector 50-1000ppm Acoustic Alarm Mini Handheld For Household Use
$37.95 Save $21.05 RRP: $59.00
Carbon Dioxide Sensor Module MG811 with 0-2V Analog Output for Embedded System Air Quality Detection
$41.95 Save $22.05 RRP: $64.00
Air Quality Monitor Portable For CO2 Detection In Home Bedroom And Grow Tent With Clear Display
$49.95 Save $24.05 RRP: $74.00
Luftqualitätsmessgerät für Kohlendioxid - Tragbarer Luftdetektor Tester mit Klarer Anzeige für Zuhause, Schlafzimmer und Growzelte
$29.95 Save $15.00 RRP: $44.95
Indoor Air Quality Monitor, Portable CO2 Detector with Clear Display - Accurate Safety Measurement for Grow Tents and Bedrooms
$38.95 Save $20.05 RRP: $59.00
MiCS5524 Gas Sensor Module for Carbon Monoxide and Natural Gas Detection with Quick Response
$19.95 Save $9.00 RRP: $28.95
Air Quality Monitor | Portable CO2 Detector with Clear Display for Home, Bedroom, and Grow Tent Use
$38.95 Save $20.05 RRP: $59.00
Air Quality Monitor for Home - Portable Air Detector with LCD Display for Bedroom, Grow Tents and Safety Checks
$38.95 Save $20.05 RRP: $59.00
Air Quality Monitor Indoor Use CO2 Detector For Grow Tents And Bedrooms, Precise Carbon Dioxide Safety Meter
$39.95 Save $19.05 RRP: $59.00
Luftqualitätsmonitor - Präziser Kohlendioxid Luftdetektor Für Growzelte Und Schlafzimmer, Kompaktes Sicherheitsmessgerät
$38.95 Save $20.05 RRP: $59.00