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Shop the best prices on 8,019 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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513 - 544 of 8,019
Portable CO2 Monitor Carbon Dioxide Detector Temperature Humidity Air Quality Meter Large LCD CO2 Meter
$37.95 Save $12.00 RRP: $49.95
Harmful Gas Detector, Round White
$33.95 Save $13.00 RRP: $46.95
Elitech Cld-100 Refrigerant Leak Detector Battery Operated High-Sensitivity Portable Halogen Leak
$104.00 Save $45.00 RRP: $149.00
Combustible Gas Detector, Combustible Gas Alarm, Air Quality Monitor unbrand
$64.00 Save $25.00 RRP: $89.00
HABOTEST Portable Gas Analyzer HT601B Household Gas Leak Detector Gases Detector PPM Meter Methane Concentration Alarm Instrument
$109.00 Save $40.00 RRP: $149.00
DM162C Intelligent Handheld CO2+Temperature+Relative Humidity Detector CO2 Measuring Instrument Exceeding Limit Alarm ℃/℉ Switch with Clear
$119.00 Save $20.00 RRP: $139.00
HLW-100 4-in-1 Air Quality Detector Formaldehyde CO2 PM2.5 PM10 Tester Smart Air Monitor Real-Time Indoor Data
$59.00
For SenseAir S8 004-0-0053 S8-0053 Infrared CO2 Carbon Oioxide Sensor S8 0053
$40.95 Save $23.05 RRP: $64.00
Air Quality Monitor CO2 Monitor Formaldehyde Detector TVOC/Temp./Humidity Indoor with Buzzer Prompt,Backlit Screen
$46.95 Save $17.05 RRP: $64.00
Ht66 Mini Gas Detector Household Handheld Combustible Gas Detecting Gauge With Long Probe Gas Leak Monitor Tester Ppm Meter Methane Concentration Alar
$43.95 Save $25.05 RRP: $69.00
Multi-gas Detector Connected With Voice Announcement
$94.00 Save $55.00 RRP: $149.00
12v Gas Detector Sensor Alarm For Propane, Butane, Lpg, Natural Gas - Ideal For Motor Homes And Campers
$32.95 Save $17.00 RRP: $49.95
Dy80 Gas Analyzer Combustible Gas Detection Gas Leak Tester Tester Sound And Light Alarm
$39.95 Save $19.05 RRP: $59.00
-6000 Freon Leak Detector Refrigerant Gas HVAC R22 R410A Detector
$30.95 Save $6.00 RRP: $36.95
GN803 Gas Leak Detector Methane Combustible Gas Testers
$28.95 Save $6.00 RRP: $34.95
Tuya WIFI Combustible Gas Detector Gas Alarm Gas Detection Sensor,B
$32.95 Save $5.00 RRP: $37.95
CO2 Air Quality Monitor and Carbon Dioxide Detector
$64.00
Voice Announcement Multi-Gas Detector for Enhanced Safety Monitoring and Detection in Various Environments
$49.95
Portable Air Quality Monitor with CO2 Measurement, Digital Temperature and Humidity Tester, TVOC and Formaldehyde Detection for Various Bran
$89.00
NH3 Gas Detection Analyzer Digital Meter Alarm Device 0-100ppm Leak Monitor
$259.00
2-in-1 Gas Detector for CO and CO2 Monitoring
$99.00
12v Gas Detector Sensor Alarm for Propane Butane LPG Natural Motor Home Camper
$59.00
CO2 Air Detector Carbon Dioxide Monitor for Agricultural Production Greenhouse
$34.95
Multi Gas Detector Gas Meter O2 H2S CO 4 in 1 Oxygen Hydrogen Sulfide Carbon Monoxide Combustible G
$209.00
Tuya WiFi Smart Air Box Detector Air Quality Monitor Air Housekeeper
$44.95 Save $7.00 RRP: $51.95
Carbon Dioxide PM2.5 Detectors, Accurate Air Quality Measurement Tool for Home and Office Use
$229.00 Save $80.00 RRP: $309.00
UT336A Refrigerant Leak Detector,Refrigerant Type Refrigeration Industry Negative Electronic Leak
$139.00
Multi Gas Detector 4 In 1 Oxygen Hydrogen Sulfide Carbon Monoxide Combustible Gas Leak Detector
$269.00 Save $100.00 RRP: $369.00
High quality MESTEK Portable Combustible Gas Detector
$74.00 Save $25.00 RRP: $99.00
Carbon dioxide concentration temperature and humidity detection portable CO2 detector
$64.00 Save $15.00 RRP: $79.00
-Z19 -Z19E IR Infrared CO2 Sensor Module Carbon Dioxide Gas Sensor NDIR for CO2 Monitor 400-5000Ppm UART PWM(A) js
$33.95 Save $6.00 RRP: $39.95
Combustible Gas Detector, Combustible Gas Alarm, Temperature and Humidity Detector, Household Air Q JN
$49.95 Save $14.05 RRP: $64.00