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Shop the best prices on 894 great value gas detectors. Shopping for gas detectors is easy with Fruugo, with SALE discounts, offers and savings on Habicare, Fstniceted and Stormsure. Buy gas detectors online safely with Fruugo, with secure payment and fast shipping to United States.

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161 - 192 of 894
Propane Gas Leak Detector with Rechargeable Battery, Adjustable Sensitivity, Visual and Audible Alarm
$45.95 Save $23.05 RRP: $69.00
CO2 Gas Sensor Module with Temperature Humidity Detection and I2C Interface
$69.00 Save $35.00 RRP: $104.00
Gas Sensor 5V MultiPixel TVOC eCO2 Formaldehyde CO2 Detector for Air Quality Monitoring
$21.95 Save $11.00 RRP: $32.95
4 in 1 Multi Gas Detector BH4AS for O2 CO H2S EX with Sensitive Detection and Accuracy
$624.00 Save $300.00 RRP: $924.00
DY26A Ultrasonic Leak Detector with Sensitivity for Gas, Air, Vacuum and Water Leak Localization
$48.95 Save $25.05 RRP: $74.00
Accuracy Infrared CO2 Sensor Module NDIR for Air Quality Monitoring and HVAC Systems
$129.00 Save $60.00 RRP: $189.00
MHZ19B NDIR CO2 Sensor Module for Accurate Air Quality and HVAC Monitoring, Stable Infrared Detection
$59.00 Save $25.00 RRP: $84.00
Ammonia Gas Detector 0200ppm Fixed NH3 Gas Monitor with Sound Light Alarm and Infrared Remote
$974.00 Save $525.00 RRP: $1,499.00
Gas Leak Detector with Precision Sensor, Flexible Probe and Triple Alarm for Home or Industrial Use
$40.95 Save $23.05 RRP: $64.00
Gas Detector for CO H2S O2 EX, Portable 4 Gas Monitor with RealTime Detection and Triple Alarms (Orange)
$119.00 Save $50.00 RRP: $169.00
Gas Leak Detector with LCD Display, Handheld Combustible Gas Sniffer 9999 PPM Flexible Probe Tester
$79.00 Save $40.00 RRP: $119.00
Gas Leak Detector Sensitivity with Sound Light Alarm for Home and RV AS8800L
$32.95 Save $16.00 RRP: $48.95
Carbon Monoxide Detector 1000ppm Handheld CO Gas Monitor with Real Time Monitoring and Alarm
$59.00 Save $30.00 RRP: $89.00
CO2 Sensor MHZ14A Infrared Carbon Dioxide Detector Module Precision Stable Output Multiple Modes
$48.95 Save $25.05 RRP: $74.00
Sensitivity HVAC Leak Detector with Sound and Light Alarm for Industrial Refrigeration
$139.00 Save $60.00 RRP: $199.00
5pcs 4H2S100 Hydrogen Sulfide Gas Sensor for Industrial H2S Detection with Easy Installation
$279.00 Save $140.00 RRP: $419.00
Nitrogen Gas Detector N2 Leak Detector with Alarm 0100% VOL Precision Wall Mounted
$949.00 Save $500.00 RRP: $1,449.00
Gas Sensor Module Mini Version for Precision Flammable Gas Detection with Stable Performance 2025
$16.95 Save $8.00 RRP: $24.95
Gas Detector Industrial 4 in 1 CO H2S O2 LEL Monitor with Data Logging and Alarm System
$209.00 Save $100.00 RRP: $309.00
Portable Gas Detector 4in1 with Pump Suction for O2 H2S CO CH4, Multi Gas Monitor with Data Logging
$699.00 Save $325.00 RRP: $1,024.00
Halogen Refrigerant Leak Detector with Adjustable Sensitivity and Fast Detection for HVAC
$33.95 Save $15.00 RRP: $48.95
Leak Detector Portable HVAC Leakage Tester With Long Probe And Leakage Analyzer
$129.00 Save $70.00 RRP: $199.00
VC260C Sensitivity Formaldehyde Detector Indoor Air Quality Monitor for Household Methanol Testing
$159.00 Save $80.00 RRP: $239.00
Hydrogen Sulfide Detector H2S Gas Monitor 0100ppm with Clip Alerts Adjustable Alarm Display
$79.00 Save $40.00 RRP: $119.00
HVAC Leak Detector with Accurate Digital Display for Car AC and Multiple Refrigerant Support
$209.00 Save $100.00 RRP: $309.00
Gas Leak Detector with LCD Backlight, Handheld CO and CH4 Combustible Gas Analyzer for Fast Leak Detection
$94.00 Save $55.00 RRP: $149.00
20mm Carbon Monoxide Sensor 5000ppm Smart Electrochemical CO Detector Module COAF COBF
$129.00 Save $60.00 RRP: $189.00
MQ137 Ammonia Gas Sensor Module NH3 Detector 5V Dual Output for Arduino Air Quality Monitoring
$25.95 Save $12.00 RRP: $37.95
Oxygen Meter and Gas Detector with Dual Alarm, Digital Display, Temperature LCD for Home
$189.00 Save $90.00 RRP: $279.00
Air Quality Meter HT66 Gas Leak Detector Model 50-1000 PPM Methane Gas Detector Sound Alarm
$79.00 Save $40.00 RRP: $119.00
Air Quality Tester PTH-10D Mini CO Detector, CO/Air Quality Monitor with LED Screen, USB Charging for Indoor and Travel
$119.00 Save $60.00 RRP: $179.00
AC Repair Set Portable Refrigerant Leak Tester For Auto Air Conditioning Maintenance Home And Commercial Service
$79.00 Save $40.00 RRP: $119.00