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Shop the best prices on 8,060 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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2,593 - 2,624 of 3,200
6 in 1 Air Quality Detector for CO O2 Temperature Humidity Atmospheric Pressure Altitude, Monitor fo
$104.00 Save $55.00 RRP: $159.00
9 In1 Air Quality Monitor Meter Carbon Dioxide Detector TVOC HCHO PM2.5 PM1.0 PM10 Temperature Humid
$50.95 Save $28.05 RRP: $79.00
Handheld Carbon Monoxide Meter, 80Db Light CO Leak Detector, Portable Handheld CO Detector, CO Gas A
$45.95 Save $28.05 RRP: $74.00
UT336A Refrigerant Leak Detector Cfcs Hcfcs Hfcs Leakage Tester for Air Conditioning Automobile Refr
$89.00 Save $50.00 RRP: $139.00
Refrigerant Leak Detector 0-1000PPM Air Conditioning HVAC Refrigerant Leak Detector HCFC HFO Tester
$54.00 Save $30.00 RRP: $84.00
5801587836 5802392186 Probe Ammonia NH3 Sensor for STRALIS XWAY X-WAY S-WAY Euro 6 HD9
$139.00 Save $70.00 RRP: $209.00
Gas Leak Detector 803 Oxygen Gas Detector Oxygen Gas Detector 803 Blue Digital Display Oxygen Gas Le
$109.00 Save $60.00 RRP: $169.00
WiFi Tuya App Function Kitchen Natural Gas Leak Alarm Sensor Temperature LCD Digital Display Sound Siren
$34.95 Save $19.05 RRP: $54.00
Combustible Gas Leak Detector Rechargeable Gas Detector Sniffer,Handheld Natural Gas Detector Locate Sources Gas
$99.00 Save $60.00 RRP: $159.00
NDIR CO2 Sensor Infrared Carbon Dioxide Sensor Module with Serial Port PWM Analog Output CO2 Gas Det
$47.95 Save $26.05 RRP: $74.00
Handheld Gas Detector, O2 EX H2S CO Gas Analyzer, Air Quality Monitor Industrial Safety, Gas Sensor 9000A
$299.00 Save $140.00 RRP: $439.00
Propane Detector 12V LPG Natural Gas Sensor Leak Alarm 85DB Siren for Car RV Home Digital Propane Tester Meter(White)
$46.95 Save $47.05 RRP: $94.00
Gas Leak Detector Combustible Propane Butane Methane Leak Warning Combustible Gas Alarm Sensor for Home Security EU Plug
$34.95 Save $34.05 RRP: $69.00
SCD40 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature and Humidity in One Sensor I2C Communication B
$64.00 Save $65.00 RRP: $129.00
New Portable Gas Leak Detector Combustible Gas Detector 50-1000 ppm Methane Natural Gas Detector With Audible And Visual Alarm
$59.00 Save $10.00 RRP: $69.00
Freon Leak Detector Halogen Leak Detector R22 R410A R134A R1234YF Refrigerant Gas HVAC Air Condition
$50.95 Save $13.05 RRP: $64.00
Halogen Leak Detector With LED Light Air Conditioning HVAC Refrigerant Leak Detector R22a R134a CFC HFC HCFC Freon Gas Tester
$69.00 Save $10.00 RRP: $79.00
Tuya WiFi 15in1 Air Quality Detector Household Portable PM0.3 PM1.0 PM2.5 PM10 CO CO2 TVOC HCHO Tester Black
$104.00 Save $25.00 RRP: $129.00
Carbon Dioxide Controller Single Channel Split Probe CO2 Monitor CO2 Pressure Reducer Valve for Greenhouse EU Plug D
$289.00 Save $80.00 RRP: $369.00
Leucometer Tester, with LCD Screen, Measurement Range 0-120, Can Be Connected to PC, for Paper/Paint Whiteness Detector
$389.00 Save $110.00 RRP: $499.00
-6000 Freon Leak Detector Halogen Leak Detector Refrigerant Gas HVAC R22 R410A R134A R1234YF CFCs HCFC Detector
$31.95 Save $18.00 RRP: $49.95
Portable Alcohol Tests Professional High Sensitivity Breathalyzer Alcohol Test Digital Breath Alcohol Tester
$22.95 Save $18.00 RRP: $40.95
Decibel Meter,Digital Sound Level Meter 30-130db, LED Display Desktop Noise Time Temperature Humidity Meter
$59.00 Save $50.00 RRP: $109.00
SCD41 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature C
$36.95 Save $4.00 RRP: $40.95
BRJ-502D Plug-in Digital Natural Gas Detector High Sensitive Home Gas Alarm Combustible Gas Leak Mon unbrand
$59.00 Save $15.00 RRP: $74.00
Carbon Dioxide CO2 Detector, Air Quality Detector Air Detector, Air Quality Monitor, Home CO2 Monitor with Temperature and Humidity Sensor
$50.95 Save $138.05 RRP: $189.00
Formaldehyde Monitor Carbon Dioxide Detector TVOC Detector Temperature and Humidity CO 2 Air Quality Monitor White
$22.95 Save $1.00 RRP: $23.95
WiFi Tuya Smart Co and Smoke Detector Alarm Natural GAS Carbon Monoxide Parlor Room Kitchen Shop Fi
$29.95 Save $7.00 RRP: $36.95
2pcs MQ-3 Alcohol Gas Sensor Module Ethanol Detector Breath Gas Detection Board
$16.95 Save $5.00 RRP: $21.95
5 in 1 Air Quality Monitor TVOC HCHO Temperature Humidity CO2 Meter, USB Rechargeable CO2 Detector Black
$25.95 Save $8.00 RRP: $33.95
-Z19 -Z19C IR Infrared CO2 Sensor Module Carbon Dioxide Gas Sensor NDIR Accessories
$21.95 Save $6.00 RRP: $27.95
Air Quality Detector 6 in 1 Detector HCHO TVOC CO2 CO PM10 PM2.5 Meter Gases Detecting Intelligent Black
$39.95 Save $12.00 RRP: $51.95