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Shop the best prices on 7,783 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 7,783
NDIR CO2 Carbon Dioxide Air Gas Sensor Module Pin type
$19.95 Save $10.00 RRP: $29.95
Formaldehyde Monitor Carbon Dioxide Detector TVOC Detector Temperature and Humidity CO 2 Air Qualit
$14.95 Save $14.00 RRP: $28.95
Combustible Gas Detection Unit -5 Gas Detection Unit Integrated STM32 Controller STM32G030 Communic
$13.95 Save $13.00 RRP: $26.95
Portable Air Quality Detector Multifunctional Digital Carbon Dioxide Monitor For Home Office-mocha Black
$41.95 Save $4.00 RRP: $45.95
MQ137 Ammonia Gas Detection Sensor Module NH3 Gas Sensor Module Household Appliance Accessories Ana
$32.95
Tuya WIFI Air Quality Monitor 5 in 1 Formaldehyde VOC CO2 Temperature Humidity Detector Sensor Supp
$30.95
Portable Combustible Gas Detector High Sensitivity Gas Leak Tester USB Rechargeable CH4 and C4H10 D
$54.00
2X SCD40 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature and Humidity 2 in 1 Sensor
$54.00 Save $30.00 RRP: $84.00
6 In 1 Pm2.5 Pm10 Hcho Tvoc Co Co2 Air Quality Detector Co Co2 Formaldehyde Monitor Home Office Air Niuniu
$59.00 Save $15.00 RRP: $74.00
CO2 Sensor 400-10000 ppm Carbon Dioxide Air Quality Detection
$24.95 Save $3.00 RRP: $27.95
SCD41 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature D
$35.95 Save $3.00 RRP: $38.95
1000v 20a Universal Digital Multimeter Probe Test Leads Pin Needle Tip Multi Tester Lead Probe Wire Pen Cable
$41.95 Save $47.05 RRP: $89.00
Rm370 Carbon Monox Detector
$69.00 Save $70.00 RRP: $139.00
Co2 Air Detector Carbon Dioxide Detector Agricultural Production Greenhouse Co2 Monitor White
$39.95 Save $14.05 RRP: $54.00
Lcd Carbon Monoxide Co Detector Poisoning Gas Sensor Monitor Warning Alarm Set Shytmv
$28.95 Save $45.05 RRP: $74.00
Ht61 Gas Leak Detector Pen 0-1000ppm With Lcd Display Alarm Combustible Natural Methane Gas Detect
$49.95 Save $79.05 RRP: $129.00
ZRUXE Portable Ozone Analyzer Multifunctional O3 Ozone Meter Air Detector Intelligent Sensor Ozone Meter Air Quality Pollution Monitor
$189.00
High Accuracy And Instant Halogen Gas Leakage Tester,with Indicator Light
$34.95 Save $39.05 RRP: $74.00
3 in 1 CO2 Meter Air Quality Monitor Handheld 5000Ppm CO2 Monitor Measurement Carbon Dioxide / De
$54.00 Save $35.00 RRP: $89.00
MAYILON Gas Leak Detector Natural Gas Detector with 8-inch Probe Propane Leak Detector Checking
$38.95
9 in 1 Air Quality Monitor CO2 Meter Carbon Dioxide Detector CO2 CO TVOC HCHO PM2.5 PM1.0 PM10
$64.00
Tuya Wifi Air Quality Monitor CO2 Detector Formaldehyde VOC CO2 CH2O Temperature Humidity Detector
$28.95 Save $3.00 RRP: $31.95
Tuya WiFi 15-in-1 Air Quality Detector Household Portable PM0.3 PM1.0 PM2.5 PM10 CO CO2 Tester with
$40.95 Save $53.05 RRP: $94.00
MQ137 Ammonia Gas Detection Sensor Module NH3 Gas Sensor Module Household Appliance Accessories Ana
$29.95 Save $3.00 RRP: $32.95
Portable Propane Methane and Natural Gas Leak Detector Combustible Gas Tester Meter Sniffer with Sound Light Alarm Sensitive Adjustable
$51.95 Save $7.05 RRP: $59.00
Refrigeration Leak Detector Air Conditioning Refrigerant Fluorine Detection Dog Nose Car Fridge Le
$43.95 Save $15.05 RRP: $59.00
Ozone Analyzer Portable Handheld Air Quality Monitor O3 Ozone Gas Detector Intelligent Sensor Ultrafast Data Collection
$189.00 Save $90.00 RRP: $279.00
Gas Detector Handheld Smart Sensor Leak Detector For Flammable Gases Natural Gas Leak Tester Portable Gas Model 01
$94.00 Save $45.00 RRP: $139.00
MH-Z19 CO2 Sensor Module, 0-5000 PPM, 5V, NDIR, Indoor Air Quality, UART/PWM Outputs, Arduino/RPi Compatible, 1 Set
$599.00 Save $275.00 RRP: $874.00
ZE08-CH2O Formaldehyde HCHO Sensor Module For Concentration Measurement Air Quality Accessory Formaldehyde Gas Sensor
$389.00 Save $185.00 RRP: $574.00
PH Probe Sensor Waterproof Accurate Measurement Quick Response PH Electrode for Q9 BNC Plugs 1.2m
$36.95 Save $17.05 RRP: $54.00
Dm72d Portable Air Quality Analyzer Digital Screen Co2 Pm2.5 Temperature Humidity Detector Monitor Infrared Ndir Detector
$799.00