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Shop the best prices on 7,827 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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1,345 - 1,376 of 7,827
4 Gas Monitor,4 Gas Detector for H2S,CO,LEL and O2,Adopt High-Precision ADC Acquisition Chip and 32-Bit Nano-Processor A
$229.00
For 3 in 1 CO2 Meter Air Quality Monitor Handheld 5000Ppm CO2 Monitor Measurement Carbon Dioxide / De
$54.00 Save $95.00 RRP: $149.00
Portable Multifunctional Carbon Monoxide Carbon Dioxide Detector Air Quality Meter Temperature Humidity Meter Screen
$449.00
CO Gas Sensor Carbon Monoxide Sensor UART Digital Output SC16B-CO (0-1000PPM)
$22.95
Co2 Air Detector Carbon Dioxide Detector Agricultural Production Greenhouse Co2 Monitor
$64.00 Save $45.00 RRP: $109.00
Air Quality Monitor, 3 In 1 Multifunctional Carbon Dioxide Detector,co2 Monitor For Indoor Rv Offic Hy
$69.00 Save $60.00 RRP: $129.00
Gas Detector, Lpg/natural Gas/coal Leak Detector, Plug-in Sensor Monitor With Audible Alarm And Led Number Display, Alarm
$51.95 Save $42.05 RRP: $94.00
Pm2.5 Dust Detector, Household Indoor Laser Meter, Air Quality Testing Instrument, Gas Detector
$40.95 Save $33.05 RRP: $74.00
Air Quality Monitor Indoor, Air Quality Detector, CO2 Monitor Black
$44.95 Save $19.05 RRP: $64.00
SCD41 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature D
$35.95 Save $11.00 RRP: $46.95
NDIR CO2 Sensor Infrared Carbon Dioxide Sensor Module with Serial Port PWM Analog Output CO2 Gas Det
$42.95 Save $41.05 RRP: $84.00
Tuya WIFI Air Quality Monitor 5 in 1 Formaldehyde VOC CO2 Temperature Humidity Detector Sensor Suppo
$25.95 Save $23.00 RRP: $48.95
K5C Mini Carbon Dioxide Detector CO Tester LED Screen USB Typc-C A
$42.95 Save $21.05 RRP: $64.00
SCD41 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature B
$33.95 Save $10.00 RRP: $43.95
Air Quality Monitor CO2 Meter Carbon Dioxide Detector Silver
$38.95 Save $12.00 RRP: $50.95
Halogen Leak Detector Air Conditioning Refrigerant Leak Detector HVAC R22 R410A R134A CFCs HCFC Freo
$40.95 Save $38.05 RRP: $79.00
Gas Leak Detector 803 Oxygen Gas Detector Oxygen Gas Detector 803 Blue Digital Display Oxygen Gas Leak Detector 10-+50
$109.00 Save $40.00 RRP: $149.00
2C012,13 in 1 Tuya WIFI Air Quality Detector CO2 (with 5 slave units)
$99.00
Gas Detector
$139.00 Save $110.00 RRP: $249.00
-Z14B NDIR Infrared CO2 Sensor Module Gas Sensor
$109.00 Save $10.00 RRP: $119.00
Portable Multifunctional Carbon Monoxide Carbon Dioxide Detector Air Quality Meter Temperature Humidity Meter Screen
$399.00 Save $20.00 RRP: $419.00
SCD40 Gas Sensor Module Detects CO2 Carbon Dioxide 2 in 1 Sensor
$26.95 Save $1.00 RRP: $27.95
5-in-1 Air Quality Detector with Stand USB Type-C Multifunctional Automatic Display Portable CO2,HCHO,TVOC Tester White
$35.95 Save $2.00 RRP: $37.95
Detector O3 Gas/Temperature/Humidity
$43.95 Save $2.00 RRP: $45.95
Zigbee/Tuya WIFI Smart Air Box Carbon Dioxide Detector CO2 Gas Sensor
$28.95 Save $2.00 RRP: $30.95
SW-723 Gas Detector Carbon Dioxide CO2 Monitor Alarm
$269.00 Save $10.00 RRP: $279.00
Indoor Air Quality Monitor,CO2 Monitor/Temperature/Formaldehyde Detector/Humidity TVOC for Rooms,Grow Tents Black
$20.95 Save $1.00 RRP: $21.95
SCD40 Gas Sensor Module Detects CO2 Carbon Dioxide 2 in 1 Sensor
$104.00 Save $15.00 RRP: $119.00
Rm370 Carbon Monox Detector
$47.95 Save $51.05 RRP: $99.00
1085 Radon Detector Portable Home Radon Detector Natural Radon Gas Radiation Detector for New Marbl
$229.00
Formaldehyde Monitor Carbon Dioxide Detector TVOC Detector White
$18.95 Save $5.00 RRP: $23.95
20-In-1 Tuya WIFI Air Quality Detector 3Pcs Subunits
$114.00 Save $15.00 RRP: $129.00