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Shop the best prices on 8,054 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
USB Rechargeable CO2 Detector White
$22.95 Save $17.00 RRP: $39.95
Ghost Equipment Kit, Emf Meter with 2 Motion Light Up CatBalls
$59.00 Save $40.00 RRP: $99.00
Digital Wood Moisture Meter Wood Humidity Tester Large LCD Display
$64.00 Save $45.00 RRP: $109.00
Lead Paint Test Swabs Kit: 60 Pcs Lead Test Kit Swabs
$20.95 Save $15.00 RRP: $35.95
3X MQ131 High Concentration Sensor Gas Sensor Module for High Concentration Analog TTL Level
$69.00 Save $50.00 RRP: $119.00
Wireless Bluetooth 12V Battery Monitory BM6
$89.00 Save $60.00 RRP: $149.00
2X MQ137 Ammonia Gas Detection Sensor Module NH3 Gas Sensor Module Household Appliance Accessories A
$32.95 Save $26.05 RRP: $59.00
XR2 BR-9A Handheld Electromagnetic Radiation Detector Tester Black
$79.00 Save $60.00 RRP: $139.00
4 Gas Monitor,4 Gas Detector for H2S,CO,LEL and O2,Adopt High-Precision ADC Acquisition Chip and 32-Bit Nano-Processor A
$209.00 Save $150.00 RRP: $359.00
Formaldehyde Detector Air Quality Monitor Portable HCHO Temperature Humidity Tester with Alarm Clock for Home Car Office
$149.00 Save $30.00 RRP: $179.00
Tuya Wifi Smart Natural Gas AlarmSensor with Temperature Function Combustible Gas Leak Detector LCD Display Tuya App(EU)
$29.95 Save $16.00 RRP: $45.95
Smart Leak Detector Freon CFC HFC Halogen Gas Refrigerant Gas Analyzer Air Monitor Conditioning R22a R134a Gas Meter
$59.00 Save $10.00 RRP: $69.00
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
HD02 Leak Detector R22/R32/R134a Gas Detector Analyzer Rechargable Refrigerant Gas Air Conditioning Tester Tool
$37.95 Save $46.05 RRP: $84.00
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
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