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Shop the best prices on 4,243 great value gas detectors. Shopping for gas detectors is easy with Fruugo, with SALE discounts, offers and savings on Viewleaf, Generic1, GreenZech and more. Buy gas detectors online safely with Fruugo, with secure payment and fast shipping to Canada.

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257 - 288 of 3,200
2Pcs SCD30 Air Quality Sensors Module
From $38.95
CO2 Sensor 400-10000 ppm Carbon Dioxide Air Quality Detection
From $24.95
OCS-3F2.1 Ultrasonic Oxygen Sensor Oxygen Concentrator for Arduino Detects Purity and Flow 21-95.6% 0-20L, 0-2.5V Analog
From $32.95
SCD41 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature C
From $42.95
Ammonia Gas Sensor NH3 Concentration Air Quality Environmental Monitoring Module Digital Electrochemical SC05-NH3
From $36.95
3 In 1 Co2 Meter Air Quality Monitor Handheld 5000ppm Co2 Monitor Measurement Carbon Dioxide / Detector S8601 Viewleaf
From $34.95
-Z19C IR Infrared CO2 Sensor Module Carbon Dioxide Gas Sensor NDIR for CO2 Monitor 400-5000Ppm UART
From $37.95
Ozone Detector 3-in-1 Portable O3 /Temperature/Humidity Tester Air Quality Household O3 Monitor USB Charging Orange
From $54.00
SNDWAY SW-723 Gas Detector Carbon Dioxide CO2 Monitor Alarm 9999 PPM Sensor Professional Carbon Dioxide Tester Device COO Meter
From $209.00
RELIFE RL-086 Mobile Phone Air Tightness Detector for Phone X-14PM Series High Precision to Test Waterproof and Airtightness
From $22.95
Sensirion SGP40 Digital VOC Sensor Module VOC Index Detection for STEMMA QT & Qwiic Ideal for Environmental Monitoring
From $12.95
AR8100 Handheld O2 Meter Rechargeable Oxygen Detector for Outdoor Industry 100‑240V
From $189.00
SMART SENSOR AS5750 Portable Refrigerant Gas Leakage Detector Halogen Gas Detector
From $109.00
LED Screen Air Quality Monitor Wall Mount Digital Temperature CO2 Concentration Detector DM1306
From $119.00
Coalgas Natural Gas Methane Propane Leak Detector Tester Measurer Home Security Tool Generic1
From $45.95
803 Blue Digital Display Oxygen Gas Leak Detector 10~+50℃
From $129.00
SMART SENSOR Hand-held CFCs HCFCs HFCs Halogen Gas Detector Refrigerant Air Conditioning Detector Freon Gas Leak Tester
From $79.00
Mh Z19 Infrared CO2 Sensor For Carbon Dioxide Indoor Air Quality Monitor
From $79.00
MCU‑811 CCS811 Carbon Dioxide Monoxide Numerical Gas Sensor Air Quality Gas Sensor
From $49.95
WT8822 Hydrogen Sulfide Detector Portable H2S Leakage Monitor with Sound Light Alarm
From $129.00
Ammonia Detection Meter with 3.5" LCD Screen for Home and Industrial Air Quality Monitoring
From $129.00
Gas leak detector, leak tester compatible with flammable gases with gas sniffer compatible with locating gas leaks
From $43.95
Natural Gas Detector and Carbon Monoxide CO Detector,Combustible Gas Detector Monitor for Co, Methane in Kitchen-EU Plug Edition
From $43.95
MQ137 Ammonia Gas Detection Sensor Module NH3 Gas Sensor Module Household Appliance Accessories Analog TTL Level Output
From $64.00
Handheld Combustible Gas Detector with Sound Light Alarm Digital Gas Detection Instrument Gas Leak Tester Gas Analyzer Red
From $74.00
Co2 Air Quality Monitor Wifi 4-in-1 Air Detector Co2 Temperature Humidity Office Grow Tent Wine Cel
From $189.00
NOYAFA Portable Formaldehyde Detector Indoor Air Quality Monitor HCHO and TVOC Monitor with Audible
From $18.95
GMV-2021B MEMS H2 Sensor Hydrogen Gas Leakage Detection Device Hydrogen Detection
From $25.95
AC100-260V Automatic Water Level Controller XKC C352 3P Non Contact Liquid Level Sensor for Tank Water Automatic Filling
From $59.00
Auto Air Conditioning Leak Repair Kit, Refrigerant Leak Detector for Vehicle Systems, Maintenance Tool for Coolant Pressure
From $139.00
SCD41 Gas Sensor Module COO Sensor Module 2-in-1 Temperature and Humidity Sensor 2.4-5.5V with I2C Communication
From $33.95
US PLUG,Portable Ozone Detector(0-20 PPM&0.01 PPM High Resolution), Ozone Meter with Alarm,Temp & Humidity Tester
From $189.00