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Shop the best prices on 774 great value gas detectors. Shopping for gas detectors is easy with Fruugo, with SALE discounts, offers and savings on Habicare, Chronus and Fstniceted. Buy gas detectors online safely with Fruugo, with secure payment and fast shipping to United States.

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225 - 256 of 774
Gas Leak Detector with Adjustable Sensitivity and Stainless Steel Probe for Natural or Propane Gas
$47.95 Save $26.05 RRP: $74.00
2PCS MQ3 Gas Sensor Module Dual Indicator Breath Alcohol Detection with TTL and Analog Output
$14.95 Save $8.00 RRP: $22.95
HVAC Refrigerant Leak Detector with Alarm, Adjustable Sensitivity, Flexible Probe for CFCs HCFCs
$129.00 Save $60.00 RRP: $189.00
MQ2 Gas Sensor Module for Arduino, MultiGas Detection with Adjustable Sensitivity and Fast Response
$14.95 Save $8.00 RRP: $22.95
MQ2 Gas Sensor Module for Arduino ESP32 Raspberry Pi Smoke LPG Methane Detection, 2 Pack
$14.95 Save $8.00 RRP: $22.95
HVAC Leak Detector with Sensitivity Sensor and Long Probe Refrigerant Leak Tester
$129.00 Save $70.00 RRP: $199.00
Multi Gas Detector Rechargeable 4 Gas Monitor with LCD, Alarm Alerts for Confined Spaces
$139.00 Save $60.00 RRP: $199.00
Halogen Refrigerant Leak Detector 01000PPM with Alarm Light for HVAC AC CFC HCFC Testing
$94.00 Save $55.00 RRP: $149.00
Combustible Gas Leak Detector - Handheld
$84.00
Gas Leak Detector Portable Compact Size With Adjustable Sensitivity Low Battery Indicator For Laboratory And Home Use
$104.00 Save $55.00 RRP: $159.00
PM2.5 Sensor Module Precision Carbon Dioxide Detector Digital Output MPM10
$42.95 Save $21.05 RRP: $64.00
Refrigerant Leak Detector for R134a R410a R22a Halogen Gas HVAC Air Conditioning and Automotive Use
$50.95 Save $28.05 RRP: $79.00
Ozone Gas Sensor Module with Dual Output Modes for Fast Industrial Air Quality Monitoring
$25.95 Save $12.00 RRP: $37.95
Gas Leak Detector Smart Natural Gas Alarm with App Control for Home and Work
$47.95 Save $26.05 RRP: $74.00
Ammonia Detector NH3 Gas Monitor with Temperature and Humidity, Rechargeable LCD Display for Industrial and Agricultural Use
$139.00 Save $70.00 RRP: $209.00
Air Quality Monitor & Formaldehyde Detector Habicare
$114.00
Carbon Monoxide Detector & Air Quality Monitor Habicare
$59.00
Refrigerant Leak Detector with Sensitivity Sensor and Sound Light Alarm for HVAC and Auto AC
$119.00 Save $60.00 RRP: $179.00
Leak Detector Portable HVAC Leakage Tester With Long Probe And Leakage Analyzer
$109.00 Save $50.00 RRP: $159.00
Natural & Combustible Gas Leak Detector – Pen Type With Audio & Visual Alarm
$44.95
Leak Detector R134a R410a R22a HVAC Halogen Gas CFC HFC Refrigerant Detector For Halogenated Refrigerants
$43.95 Save $20.05 RRP: $64.00
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
Gas Detector Digital Formaldehyde Detector Portable Indoor Air Quality Tester PM2.5 PM10 PM1 TVOC Sensor For Smart Home
$104.00 Save $55.00 RRP: $159.00
Mini CO2 Detector Portable Air Quality Monitor Compact Lightweight CO2 Monitor
$64.00 Save $30.00 RRP: $94.00
CO2 Monitor, 3-In-1 Carbon Dioxide Detector, Portable Air Quality Monitor With Temperature and Humidity, White
$34.95 Save $17.00 RRP: $51.95
Portable Gas Detector WJL-6000 Freon And Halogen Leak Detector For HVAC Refrigerant R22 R410A R134A R1234YF Sensor
$59.00 Save $25.00 RRP: $84.00
Leak Detection Set for Air Conditioning, Portable Gas Leak Tester for HLK Maintenance, Radiator Pressure Test and Vehicle Inspection
$94.00 Save $45.00 RRP: $139.00
Gas Detector DY26 Mini Ultrasonic Leak Detector Handheld Portable Vacuum Seal Tester for Home and RV Use
$89.00 Save $40.00 RRP: $129.00
Air Quality Monitor Carbon Dioxide Detector Portable Indoor Home Office Clear Display Compact Design 3.54x1.57x2.76 in
$33.95 Save $16.00 RRP: $49.95
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
ENS160 AHT21 Carbon Dioxide Air Quality Sensor with CO₂ and VOC Detection, Temperature and Humidity Monitoring
$159.00 Save $80.00 RRP: $239.00
Gas Leak Detector Natural Gas Detectors Combustible Gas Detector
$21.95