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Shop the best prices on 7,784 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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161 - 192 of 7,784
Air Quality Monitor | CO2 Detector Tester - Accurate Carbon Dioxide Measurement Device for Grow Tents and Bedrooms
$54.00 Save $25.00 RRP: $79.00
Carbon Dioxide SCD30 Air Quality Sensing Package With CO2 Temperature Humidity Data And Precise Measurements
$89.00 Save $50.00 RRP: $139.00
Advanced Indoor Air Quality Monitors with Formaldehyde Detection for Home Use Model 101a Instant Analysis and Insights
$50.95 Save $28.05 RRP: $79.00
Air Quality Monitor for Home, Portable Air Detector with Clear Display, Accurate Bedroom Safety Device for Coal Detection and Monitoring
$54.00 Save $25.00 RRP: $79.00
Gas Leak Detector for Automotive Air Conditioning High Sensitivity with Acoustic Light Alarm for R22 R134A CFCs
$189.00 Save $90.00 RRP: $279.00
AS8800L Handheld Combustible Gas Detector For Automotive Leakage Location With Audible Alarm
$159.00 Save $80.00 RRP: $239.00
HT609 Leak Detector Sound Screen Alarm with LCD Display for Flammable Natural Methane Gas in Demanding Environments
$4,949.00 Save $2,441.00 RRP: $7,390.00
Comprehensive Carbon Dioxide Air Quality Kit with SCD30 Sensor for CO2, Temperature, and Humidity Monitoring
$99.00 Save $50.00 RRP: $149.00
7 Air Quality Monitor Professional for Indoor Use, PM2.5 PM10 CO2 HCHO Temperature and Formaldehyde Detection
$99.00 Save $50.00 RRP: $149.00
Nitrogen Dioxide Detector NO2 Gas Meter 0‑50ppm 3.5in TFT Color Screen Handheld Portable Equipment
$1,199.00 Save $350.00 RRP: $1,549.00
Smart Sensor Gas Detector Oxygen O2 Hydrogen Sulfide H2S Carbon Monoxide CO Combustible Gas LEL Gas Meter
$94.00 Save $65.00 RRP: $159.00
GN807 Combustible Gas Detector Alarm Digital Combustible Gas Detection 50-10000PPM Methane Flammable Gas Test Tool
$38.95 Save $25.05 RRP: $64.00
3IN1 ECO2 ECH2O TVOC Gas Sensor Module Air Pollution Odor Sensor Y01
$10.95 Save $6.00 RRP: $16.95
12V Gas Alarm Sensor LPG Propane Butane Leak Detector Waterproof LED Flash Sound Warning for RV Camping Marine Safety
$18.95 Save $12.00 RRP: $30.95
SCD40 Gas Sensor Module 2.4-5.5V Detects CO2 Carbon Dioxide Temperature and Humidity Sensor I2C Communication
$54.00 Save $40.00 RRP: $94.00
BME680 Environmental Sensor Module STEMMA QT/Qwiic Interface Temperature/Humidity/Air Pressure/Gas Detection
$23.95 Save $15.00 RRP: $38.95
2X MH-Z19 MH-Z19E IR Infrared CO2 Sensor Module Carbon Dioxide Gas Sensor NDIR for CO2 Monitor 400-5000Ppm UART PWM(A)
$48.95 Save $30.05 RRP: $79.00
2X MICS-6814 Gas Sensor Carbon Monoxide CO NO2 NH3 Nitrogen Oxygen Air Quality Detection Numerical Sensor Module
$104.00 Save $65.00 RRP: $169.00
2X Multi Gas Detector Gas Meter O2 H2S CO LEL 4 in 1 Oxygen Hydrogen Sulfide Carbon Monoxide Combustible
$289.00 Save $170.00 RRP: $459.00
2X MQ136 Hydrogen Sulfide Gas Sensor Module H2S Gas Detection Sensor Module High Sensitivity Sensor Module
$54.00 Save $35.00 RRP: $89.00
Multi Gas Detector Rechargeable 4 Gas Monitor with LCD, Alarm Alerts for Confined Spaces
$189.00 Save $90.00 RRP: $279.00
Gas Leak Detector 803 Oxygen Gas Detector Oxygen Gas Detector 803 Blue Digital Display Oxygen Gas L
$119.00 Save $10.00 RRP: $129.00
Air Quality Monitor For Co2 Hcho Tvoc Aqi Professional Electrochemical Sensor Detector Rechargeable Real Time Led Display
$84.00
Air Quality Monitor Co2 Alarm Detector With Lcd Indoor Temperature Humidity Carbon Dioxide Tester 1000mah Rechargeable Co2 Meter
$89.00
LD-200 Heating Diode Handheld Leak Detector Air
$179.00
Gas Detector, Lpg/natural Gas/coal Gas Leak Detector Plug In Sensor Monitor With Audible Alarm
$89.00 Save $40.00 RRP: $129.00
6 in 1 Air Quality Detector for CO O2 Temperature Humidity
$94.00
EVAGO Co2-3 Digital Carbon Dioxide Detector Indoor Air Quality Detection Temperature And Humidity Sensor Tester
$109.00 Save $60.00 RRP: $169.00
3000W 55a Zvs High Frequency Induction Heater Module Flyback Driver Heater Good Heat Dissipation + Coil +pump +power Adapter
$299.00
Wireless Air Quality Detector 5 In 1 Tvoc Co Hcho Temperature Humidity Detector Home Desk Air Quali
$69.00 Save $25.00 RRP: $94.00
Co2 Detector Indoor Carbon Dioxide Temperature Meter Ambient Air Quality Monitor unbrand
$229.00 Save $120.00 RRP: $349.00
Natural gas detector, kitchen wall propane leak alarm, household flammable and flammable detector, LPG/LNG/coal formaldehyde methane, high sensitivit
$31.95 Save $107.05 RRP: $139.00