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Shop the best prices on 7,830 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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2,049 - 2,080 of 7,830
Tuya WiFi 15 in 1 Air Quality Detector Household Portable PM0.3 PM1.0 PM2.5 PM10 CO CO2 TVOC HCHO T
$42.95 Save $56.05 RRP: $99.00
5 in 1 Air Quality Detector TVOC HCHO CO2 Meter Air Quality Monitor
$48.95
Smart CO2 Detector, Carbon Dioxide Controller, 2 Channel CO2 Monitor with Relay Power Socket for Tuya App, EU Plug 100-240V
$419.00 Save $130.00 RRP: $549.00
LCD LPG Natural Gas and Coal Gas Leak Alarm Detector
$33.95 Save $10.00 RRP: $43.95
Carbon Dioxide Detector, Indoor Air Quality Monitor, CO2, Temperature, Relative Humidity, with Alarm for Travel
$69.00 Save $20.00 RRP: $89.00
-Z14B NDIR Infrared CO2 Sensor Module Gas Sensor
$45.95 Save $8.05 RRP: $54.00
Electrochemical CH2O Formaldehyde Sensor Gas HCHO Sensor Module Smart Home Devices
$17.95 Save $4.00 RRP: $21.95
MCU‑811 CCS811 Carbon Dioxide Monoxide Numerical Gas Sensor Air Quality Gas Sensor
$37.95 Save $11.00 RRP: $48.95
5 in 1 Air Quality Monitor, USB Rechargeable CO2 Detector Black
$22.95 Save $11.00 RRP: $33.95
Oxygen Hydrogen Sulfide Carbon Monoxide Combustible Gas Leak Detector
$159.00 Save $80.00 RRP: $239.00
-SGP30 ECO2 Air Quality Gas Sensor Module TVOC Detection Chip
$14.95 Save $7.00 RRP: $21.95
Oxygen Hydrogen Sulfide Carbon Monoxide Combustible Gas Leak Detector
$159.00 Save $100.00 RRP: $259.00
Handheld Carbon Monoxide Meter, 80Db CO Leak Detector,CO Gas Analyzer
$43.95 Save $25.05 RRP: $69.00
Plug-in Type Carbon Monoxide Alarm CO Detector Monitor with LED Digital Display Voice Alert for Home Kitchen
$33.95 Save $1.00 RRP: $34.95
Multifunction Air Quality Monitor, Formaldehyde Detector, Pollution Meter, Tester, Detect & Test In
$119.00 Save $50.00 RRP: $169.00
Portable Ozone Analyzer Multifunctional Intelligent O3 Ozone Meter Gas Detector Sensor Air Quality Pollution
$299.00
Formaldehyde Detectors 6-in-1 Ppm 2.5 Carbon Dioxide Detectors
$35.95 Save $11.00 RRP: $46.95
Rc3563 Internal Resistance Detector Uses Four Wires (Clip)
$42.95
Handheld Oxygen Concentration Detector Temperature and Humidity
$129.00 Save $80.00 RRP: $209.00
FS5000 Geiger Counter Nuclear Radiation Detector X-Ray Beta Gamma Radioactivity Detector for Nuclear Wastewater
$119.00 Save $20.00 RRP: $139.00
Freon Leak Detector, Halogen Leak Detector, Refrigerant Gas Detector, Suitable Gift
$48.95 Save $50.05 RRP: $99.00
Natural Gas Detector Plug-in Home Gas Alarm and Monitor Propane Gas Detector and Gas Leak Alarm for
$47.95 Save $16.05 RRP: $64.00
803 Blue Digital Display Oxygen Gas Leak Detector 10~+50℃
$119.00 Save $40.00 RRP: $159.00
NDIR Carbon Dioxide CO2 Sensor Module MH-Z14A Serial Port PWM Analog Output 0-5000ppm
$69.00 Save $15.00 RRP: $84.00
8 in 1 Air Quality Monitor CO2 Meter Carbon Dioxide Detector CO2 TVOC HCHO PM2.5 PM1.0 PM10 Temperat
$64.00 Save $20.00 RRP: $84.00
CO2 Sensor 400-10000 ppm Carbon Dioxide Air Quality Detection
$27.95 Save $12.00 RRP: $39.95
MH-Z14B NDIR Infrared CO2 Sensor Module Gas Sensor for CO2 Monitor 0-5000ppm MH Z14 Serial UART PWM Output
$54.00 Save $20.00 RRP: $74.00
Combustible Gas Detector with Smart Sensor, Instant Leak Alert and Flexible Probe AS8800L
$79.00 Save $40.00 RRP: $119.00
WJL-6000 Freon Leak Detector Halogen Leak Detector R22 R410A R134A R1234YF Refrigerant Gas HVAC Air Conditioner Tester Tool
$89.00 Save $20.00 RRP: $109.00
Tuya Zigbee Smart Air Quality Monitor CO2 Meter Carbon Dioxide Detector Voc Formaldehyde Auto Alarm
$30.95
Formaldehyde Monitor Carbon Dioxide Detector TVOC Detector Temperature and Humidity CO 2 Air Qualit
$20.95 Save $4.00 RRP: $24.95
Multi-in-1 Air Quality Sensor - High Accuracy Gas Detector compatible with Carbon Dioxide PM2.5 with Particle Concentration
$84.00 Save $45.00 RRP: $129.00