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Shop the best prices on 350 great value gas detectors. Shopping for gas detectors is easy with Fruugo, with SALE discounts, offers and savings on Habicare. Buy gas detectors online safely with Fruugo, with secure payment and fast shipping to United States.

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321 - 350 of 350
Combustible Gas Analyzer G1 Rechargeable Gas Leak Detector For Methane, CO2, LPG, Alcohol Vapors, PPM/LEL Alarm
$44.95 Save $24.05 RRP: $69.00
Gas Leak Detector - Handheld Portable Gas Analyzer Pen Type Mini 1000PPM Flammable Natural Gas Tester for Ambient Air Monitoring
$69.00 Save $30.00 RRP: $99.00
Air Quality Monitor Carbon Dioxide Detector Portable Indoor Home Office Clear Display Compact Design 3.54x1.57x2.76 in
$32.95 Save $17.00 RRP: $49.95
Gas Detector DY26 Mini Ultrasonic Leak Detector Handheld Portable Vacuum Seal Tester for Home and RV Use
$84.00 Save $45.00 RRP: $129.00
Air Quality Monitor Gas Analyzer Freon Leak Tester CFCs HCFCs HFCs Halogen Refrigerant Gas Detector For Air Conditioning
$139.00 Save $70.00 RRP: $209.00
Formaldehyde Sensors ZE08-CH2O Serial Port Output Calibration Module Concentration Measurement Accessories Measurement
$35.95 Save $18.05 RRP: $54.00
MQ135 Air Quality Sensor Module 3PCS MultiGas Detection for Arduino and Raspberry Pi
$17.95 Save $9.00 RRP: $26.95
Alcohol Sensor Module MQ3 Ethanol Sensor for 51 Board with Adjustable Sensitivity and Dual Output
$14.95 Save $8.00 RRP: $22.95
Gas Leak Detector Pen, Handheld Combustible Gas Sniffer with Sound and LED Alarm for Home
$94.00 Save $55.00 RRP: $149.00
4 in 1 Gas Leak Detector with Pump, Portable Multi Gas Detector for CO O2 H2S, Rechargeable
$359.00 Save $170.00 RRP: $529.00
CO2 Sensor RS485 010V 420mA for Greenhouse Environmental Control Accuracy Monitor
$269.00 Save $130.00 RRP: $399.00
Luftqualitätsmessgerät CO2-Tester für Growzelte und Schlafzimmer | Präzises Sicherheitsmessgerät zur Luftüberwachung
$32.95 Save $16.00 RRP: $48.95
Air Quality Monitor | Portable Air Detector with Clear Display - Accurate Device for Home Safety, Bedroom Monitoring, and Grow Tents
$29.95 Save $15.00 RRP: $44.95
Air Quality Monitor & Formaldehyde Detector Habicare
$119.00
Nitrogen Gas Detector with Sound and Light Alarm, 0100% VOL Range, 420mA and RS485 Output Ref: 7118
$1,249.00 Save $600.00 RRP: $1,849.00
Gas Sensor Module with TTL and Analog Output, Fast Response Industrial Air Quality Detector for Safety Systems
$26.95 Save $12.00 RRP: $38.95
Multi Gas Detector Rechargeable 4 Gas Monitor for H2S O2 CO EX with Triple Alarm for Mining
$279.00 Save $130.00 RRP: $409.00
Portable Multi Gas Detector CH4 O2 CO H2S with Real‑Time Display USB Rechargeable Industrial Gas Monitor
$2,399.00 Save $1,200.00 RRP: $3,599.00
Mini CO2 Detector Portable Air Quality Monitor Compact Lightweight CO2 Monitor
$64.00 Save $30.00 RRP: $94.00
HVAC Leak Detector with Stepless Sensitivity Control, Fast Automatic Setup, Halogen Gas Leak Tester
$47.95 Save $26.05 RRP: $74.00
MH-Z19 Infrared CO2 Sensor Module MH-Z19B 0-5000ppm CO2 Gas Sensor For Arduino Raspberry Pi
$69.00 Save $35.00 RRP: $104.00
6-In-1 Air Quality Monitor MT07CO Multifunction Air Monitor CO2 Detector Sensor For Home And Office White
$824.00 Save $425.00 RRP: $1,249.00
MICS5524 Gas Sensor Module 5V MultiGas Detection for CO H2 CH4 Ethanol Air Quality Monitoring
$19.95 Save $7.00 RRP: $26.95
Gas Leak Detector HT601A with Flexible Probe, Handheld LED Gas Leak Tester for Home Kitchen Safety
$79.00 Save $40.00 RRP: $119.00
MICS6814 Gas Sensor for CO VOC NH3 NOx Detection, Reliable Air Quality Monitor 2025
$59.00 Save $25.00 RRP: $84.00
CO2 Detector with Temperature and Humidity, Rechargeable Carbon Dioxide Monitor for Home and Travel Ref: 3363
$94.00 Save $55.00 RRP: $149.00
Air Conditioning Kit, Refrigerant Leak Tester, Auto Refrigerant Spill Detector, AC Maint Tool 14.3x14.5x2.55in
$109.00 Save $60.00 RRP: $169.00
Gas Detector 6in1 Air Quality Monitor with CO2, PM2.5, PM10, CO Meter for Home and Office
$40.95 Save $23.05 RRP: $64.00
Gas Detector Digital Analyzer for Flammable Natural Gas Leaks with Sound Light Alarm and Measurement Rate Features
$119.00 Save $50.00 RRP: $169.00
Leak Detector Portable HVAC Leakage Tester With Long Probe And Leakage Analyzer
$109.00 Save $50.00 RRP: $159.00