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Shop the best prices on 7,304 great value gas detectors. Shopping for gas detectors is easy with Fruugo, with SALE discounts, offers and savings on Viewleaf, GreenZech, Other and more. Buy gas detectors online safely with Fruugo, with secure payment and fast shipping to Canada.

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353 - 384 of 7,304
5 in 1 Air Quality Detector TVOC HCHO CO2 Meter Carbon Dioxide Temperature Humidity Testing Air Qua
$38.95 Save $7.00 RRP: $45.95
Tuya Wifi Carbon Monoxide Detector with LCD Display 70DB Alarm Sound CO Gas Sensor Home Security Pr
$27.95 Save $6.00 RRP: $33.95
ZE16B-CO Carbon Monoxide Gas Sensor Module
$13.95 Save $2.00 RRP: $15.95
Air Quality Detector USB Multifunctional Automatic Display Black
$25.95 Save $3.00 RRP: $28.95
NDIR CO2 Sensor Infrared Carbon Dioxide Sensor Module with Serial Port PWM Analog Output CO2 Gas Detector Module -Z14A
$45.95
1PCS Formaldehyde Sensor Module MQ138 -138 Sensor Module
$37.95
MQ136 Hydrogen Sulfide Gas Sensor Module H2S Gas Detection Sensor Module High Sensitivity Sensor Mo
$26.95 Save $7.00 RRP: $33.95
Gas Leak Detector Analyzer Carbon Monoxide Sensor LCD Digital Displayer Natural Gas 2 in 1 Alarm Sy
$27.95 Save $6.00 RRP: $33.95
Air Quality Monitor CO2 Monitor Formaldehyde Detector TVOC/Temp./Humidity Indoor with Buzzer Prompt
$46.95 Save $1.00 RRP: $47.95
(CE RoHS Certified) (display Video) DM79 WiFi CO2 Detector CO2 Concentration Detector (shipped with Built-in Battery)
$89.00 Save $20.00 RRP: $109.00
Indry And Home Gas Detector Ch4 Gas Gas Detector Alarm Leak Portable Gas Leak Det
$339.00 Save $360.00 RRP: $699.00
Gas detector, Dy26a. Ultrasonic leak detector for detecting defects in gas, vacuum, pressure, air, water, and dust leaks, fast response within.
$94.00 Save $45.00 RRP: $139.00
Carbon Dioxide Detector for Biochemical Medicine and Agriculture - CO2 Concentration Measurement Device
$89.00 Save $50.00 RRP: $139.00
Luftqualitätsmonitor - Präzises CO2 Sicherheitsmessgerät Für Growzelte & Schlafzimmer Mit Alarmfunktion und Digitalanzeige
$69.00 Save $35.00 RRP: $104.00
Portable Gas Leak Detector, High Sensitivity CH4 and C4H10 Tester, USB Rechargeable Combustible Gas Sensor
$79.00 Save $40.00 RRP: $119.00
Air Quality Monitor Portable CO2 Detector With Clear LCD Display For Home, Bedroom And Grow Tent
$41.95 Save $22.05 RRP: $64.00
Portable Air Quality Detector O3 Monitor Intelligent Sensor LCD Display 24H Monitoring USB Rechargeable 1500mAh Battery
$199.00 Save $100.00 RRP: $299.00
Air Quality Monitor | Smart CO2 Analyzer For Grow Tents And Bedrooms | Precise Indoor Air Safety Meter
$54.00 Save $30.00 RRP: $84.00
Indoor Air Quality Monitor Portable CO2 Detector With Clear LCD Display For Grow Tents, Bedrooms And Home Use
$54.00 Save $30.00 RRP: $84.00
Sensitivity Electronic Leak Detector For Refrigeration Car A/C And Home Cooling Systems
$299.00 Save $140.00 RRP: $439.00
Air Quality Monitor Portable CO2 Detector With Clear Display For Home Bedroom And Grow Tent
$69.00 Save $35.00 RRP: $104.00
02 Vehicle Exhaust Analysis Oxygen Sensor with Advanced Anti-Interference Technology Low Drift Electrochemical Detector
$59.00 Save $25.00 RRP: $84.00
AS8800L Flammability Analyzer, Automotive Handheld Detector, CO2 Detector, Leakage Locator, Tester, Sound Light Alarm
$79.00 Save $40.00 RRP: $119.00
Carbon Dioxide CO2 Detector, Formaldehyde Detector, Air Quality Detector, PM2.5 PM10 Detection
$209.00 Save $110.00 RRP: $319.00
Gas Leak Standalone Detector Sensor
$26.95 Save $92.05 RRP: $119.00
Portable Air Quality Detector CO2 Gauge Digital Temperature Meter Humidity Tester CO2 Detector TVOC Formaldehyde HCHO (1-Black)
$49.95 Save $119.05 RRP: $169.00
Domestic Gas Detector With Alarm 70 Db
$38.95 Save $60.05 RRP: $99.00
Air Quality Monitor Accurate Tester For Co2 Formaldehyde(hcho) Tvoc/aqi Multifunctional Air Gas Detector Real Time Datamean Value Recording For Home
$149.00 Save $220.00 RRP: $369.00
MICS-6814 Gas Sensor Carbon Monoxide CO NO2 NH3 Nitrogen Oxygen Air Quality Detection Numerical Sens
$44.95 Save $29.05 RRP: $74.00
Gas Alarm For Home Restaurant Hospital Car Strong Sturdy And High Sensitivity Natural Gas Detector
$30.95
SMART SENSOR 4-in-1 Gas Detector, Toxic and Harmful Flammable Oxygen, Carbon Monoxide, Hydrogen Sulfide, Ammonia Alarm
$149.00
Oxygen Analyzer Professional Portable O2 Oxygen Concentration Meter Detector 21%-95.6% O2 Meter Gas Detector US Plug
$229.00