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Shop the best prices on 8,045 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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2,113 - 2,144 of 3,200
Hot Air Quality Monitor Excellent Detector for Formaldehyde TVOC/AQI/CO2 New
$149.00 Save $40.00 RRP: $189.00
ZPSHYD Air Quality Monitor WiFi 9 in 1 CO2 Monitor for Homes G20OG
$259.00 Save $20.00 RRP: $279.00
GM8802 CO2 Gas Detector LCD Temperature and Humidity Monitoring Carbon Monoxide Meter AC 100240V
$229.00 Save $345.00 RRP: $574.00
Diffusion Type Single Gas Detector Ozone Detector,black
$349.00 Save $500.00 RRP: $849.00
K2 Emf Gauss Meter Radiation Detector Portable Emf Magnetic Field Monitor 5 Led Gauss Meter
$99.00 Save $200.00 RRP: $299.00
Air Quality Monitor, Pm2.5 Meter Mini Portable Smart Sensor Temperature Indoor Humidity Tester with Prompt Alarm for Home,Outdoor
$84.00 Save $20.00 RRP: $104.00
OBD Adapter Kit Diagnostic Tool Universal Multifunctional 12in1 Fit for Car OBD
$479.00 Save $145.00 RRP: $624.00
WIFI Natural GasDetector and Carbon Monoxide CO Detector,Combustible Gas Leak DetectorMonitor for C
$36.95 Save $8.00 RRP: $44.95
3IN1 ECO2 ECH2O TVOC Gas Sensor Module Air Pollution Odor Sensor Y01
$10.95 Save $3.00 RRP: $13.95
MH-Z19 MH-Z19E IR Infrared CO2 Sensor Module for CO2 Monitor (A)
$23.95 Save $5.00 RRP: $28.95
Tuya WiFi 15 in 1 Air Quality Detector Household Portable PM0.3 PM1.0 PM2.5 PM10 CO CO2 TVOC HCHO T
$50.95 Save $8.05 RRP: $59.00
Portable HCHO Detector - MEMS Electrochemical Sensor Air Quality Monitor
$37.95 Save $91.05 RRP: $129.00
Formaldehyde Detector TVOC Sensor CO2 PM2.5 Temperature Humidity Air Quality Tester 5 in 1 Black
$39.95 Save $29.05 RRP: $69.00
BME680 Environmental Sensor BME680 Temperature and Humidity Atmospheric Pressure VOC Gas Detection Sensor Module
$33.95
Formaldehyde Monitor Carbon Dioxide Detector TVOC Detector Temperature and Humidity CO 2 Air Quality
$18.95 Save $4.00 RRP: $22.95
SCD40 Gas Sensor Module Detector CO2 Carbon Dioxide Temperature and Humidity Sensor I2C Communicatio
$51.95 Save $32.05 RRP: $84.00
Tuya Wifi Smart Natural Gas AlarmSensor with Temperature Function Combustible Gas Leak Detector LCD
$29.95 Save $39.05 RRP: $69.00
Portable CO2 Temperature Humidity Monitor Air Quality Monitor Infrared NDIR Detector Indoor Outdoor Detection Tools
$59.00
CO Gas Sensor Carbon Monoxide Sensor UART Digital Output SC16-CO
$25.95
Formaldehyde Monitor Carbon Dioxide Detector TVOC Detector Temperature and Humidity CO 2 Air Quality Monitor White
$26.95
Digital Portable Carbon Dioxide Detector with Alarm Mini Temperature & Humidity Meter CO2 Detector for Indoor
$49.95
Lead Paint Test Swabs Kit: 60 Pcs Lead Test Kit Swabs
$11.95 Save $3.00 RRP: $14.95
HT61L Handheld Gas Leak Detector Methane Combustible Gas Testers with Digital Display Meter Leakage Tools Sound Alarm
$74.00 Save $15.00 RRP: $89.00
4-in-1 Multi Gas Detector: O2, H2s, Co, Lel Gas Meter For European Market
$219.00 Save $310.00 RRP: $529.00
SCD40 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature and Humidity 2 in 1 Sensor
$26.95 Save $14.00 RRP: $40.95
MH-Z19 MH-Z19E IR Infrared CO2 Sensor Module Carbon Dioxide Gas Sensor NDIR for CO2 Monitor 400-5000Ppm UART PWM(A)
$25.95 Save $13.00 RRP: $38.95
Air Conditioning Refrigerant Leak Tester Halogen Leak Detector for R-134a R410a R407a R22 RLD-382P US Plug
$189.00 Save $100.00 RRP: $289.00
Refrigerant Leak Detector with Sensitivity Sensor and Sound Light Alarm for HVAC and Auto AC
$169.00 Save $80.00 RRP: $249.00
HT66 Gas Leak Detector 50-1000PPM Sound Alarm Mini Household Handheld Combustible Natural Methane Gas Leak Detector
$29.95 Save $15.00 RRP: $44.95
3-In-1 Portable Carbon Dioxide Detector Air Quality Detector,with Temperature and Humidity Monitor,for Crop Room,Office
$64.00 Save $35.00 RRP: $99.00
Portable 4 Gas Detector Rechargeable Multi Gas Monitor Air Quality Tester Analyzer High Precision EX O2 H2S CO US Plug
$119.00 Save $70.00 RRP: $189.00
SCD41 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature and Humidity in One Sensor I2C Communication A
$34.95 Save $17.00 RRP: $51.95