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Shop the best prices on 8,060 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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801 - 832 of 3,200
Protmex Portable Multifunctional Carbon Monoxide Carbon Dioxide Detector Air Quality Meter Temperature Humidity Meter Screen
$409.00 Save $50.00 RRP: $459.00
Air Quality Detector USB Multifunctional Automatic Display White
$23.95 Save $4.00 RRP: $27.95
Mini Smart WIFI Mini CO Detector Indoor Air Quality Monitor CO Tester
$47.95 Save $6.05 RRP: $54.00
3X MH-Z19 MH-Z19E IR Infrared CO2 Sensor Module Carbon Dioxide Gas Sensor NDIR for CO2 Monitor 400-5000Ppm UART PWM(A)
$79.00 Save $40.00 RRP: $119.00
2X HT66 Gas Leak Detector 50-1000PPM Sound Alarm Mini Household Handheld Combustible Natural Methane Gas Leak Detector
$59.00 Save $30.00 RRP: $89.00
2X Tuya CO2 Dioxide Detector WIFI CO2 Monitor Meter Co2 Sensor Indoor Agricultural Greenhouse Air Humiture Sensor
$129.00 Save $70.00 RRP: $199.00
Multifunctional Air Quality Monitor Formaldehyde PM2.5 PM10 Detector for Home Office Use
$69.00 Save $20.00 RRP: $89.00
Digital Carbon Dioxide Monitor with USB Charging - Temperature, Humidity, TVOC Detection - Black
$39.95 Save $34.05 RRP: $74.00
1000 PPM(10% Accuracy) Carbon Monoxide Detector CO Detector with Adjustable Thresholds,Visual & Aud
$109.00 Save $10.00 RRP: $119.00
CO Gas Sensor Carbon Monoxide Sensor UART Digital Output SC16-CO
$26.95 Save $18.00 RRP: $44.95
2X SCD41 Gas Sensor Module Detects CO2,Carbon Dioxide,Temperature and Humidity in One Sensor
$74.00 Save $55.00 RRP: $129.00
US PLUG,Portable Ozone Detector(0-20 PPM&0.01 PPM High Resolution), Ozone Meter with Alarm,Temp & Humidity Tester
$209.00 Save $100.00 RRP: $309.00
WIFI Natural GasDetector and Carbon Monoxide CO Detector,Combustible Gas Leak DetectorMonitor for Co,Lng,Lpg,Methane(EU)
$38.95 Save $20.05 RRP: $59.00
US PLUG,Gas Monitor for O2, CO, H2S, Combustible Gas Detector,4 Gas Leak Detector with Sound,Light & Vibration Alarm
$139.00 Save $70.00 RRP: $209.00
US PLUG,Gas Monitor for O2,CO,H2S,Combustible Gas Tester,4 Gas Leak Detector with Sound,Light&Vibration Alarm
$139.00 Save $70.00 RRP: $209.00
MQ138 Formaldehyde Gas Detection Sensor Formaldehyde Sensor Module Gas Sensor High Sensitivity 4.5-5.5V 10A TTL
$29.95 Save $14.00 RRP: $43.95
Portable Ozone Detector(0-20 PPM&0.01 PPM High Resolution), Ozone Meter with Alarm,Temp & Humidity Tester US Plug
$199.00 Save $100.00 RRP: $299.00
Portable Radon Detector Digital Domestic Radon Monitor Gas Monitoring Instrument Highly Sensitive Radon Gas Detector
$179.00 Save $90.00 RRP: $269.00
US Plug,Hydrogen Sulfide Gas Detector 0-100 PPM with 3 Alarm Modes, H2S Air Quality Meter with Temp & Humidity
$119.00 Save $60.00 RRP: $179.00
Air Quality Detector with Alarm CO Gas Monitor Multifunctional Temperature Humidity Testing Device for Home Car Tent
$54.00 Save $30.00 RRP: $84.00
Temperature & Humidity Meter, Air Quality Monitor, CO2 Detector, A
$17.95
SGP30 Air Quality Sensor Module - eCO2 Formaldehyde Detector - Blue
$15.95 Save $15.00 RRP: $30.95
PH Sensor for ,PH0-14 Value Detect Sensor Module
$23.95 Save $4.00 RRP: $27.95
Natural Gas Detector Natural Gas Detector with Digital Display EU Plug
$24.95 Save $8.00 RRP: $32.95
Handheld Gas Detector, O2 EX H2S CO Gas Analyzer, Air Quality Monitor Industrial Safety, Explosive Gas Sensor 9000A
$269.00 Save $120.00 RRP: $389.00
Wifi Gas Alarm Kitchen Gas Leak Detector Solenoid Valve Combustible Gas Alarm Home
$69.00
Air Detector Pm2.5 Pm10 Co2 Formaldehyde Temperature Detector Multifunctional
$46.95
XGZP6847A Gas Pressure Electronic Blood Pressure Monitor Sensor Transmitter Module 0-200kPa
$10.95 Save $2.00 RRP: $12.95
MQ138 Formaldehyde Gas Detection Sensor Formaldehyde Sensor Module Gas Sensor High Sensitivity 4.5-
$29.95 Save $8.00 RRP: $37.95
Formaldehyde Monitor Carbon Dioxide Detector TVOC Detector Temperature and Humidity CO 2 Air Qualit
$21.95 Save $3.00 RRP: $24.95
Gas Detector, Lpg/natural Gas/coal Gas Leak Detector Plug In Sensor Monitor With Audible Alarm1pcs-uk Plug
$59.00 Save $35.00 RRP: $94.00
Automatic Alarm Gas Leak Detector for Methane Natural Gas LPG
$74.00 Save $65.00 RRP: $139.00