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Safety Equipment and GearAir QualityAir ToolsAlarm SystemsAll Home SecurityAll Renewable EnergyBathroom Cabinets & FixturesBathroom HardwareBathroom PlumbingBrackets and Angle IronsBreakers, Distributors, and Load CentersCable ManagementCar Emergency SuppliesCarbon Monoxide AlarmsCaulking & SealantsChains, Ropes and TiedownsCommercial LightingDimmers, Switches, and Wall PlatesDoor HardwareDoor Security HardwareElectric MotorsElectrical ToolsElectronic Communication ComponentsEmergency SuppliesEvaporative Coolers and PartsExtension Cord ReelsFastenersFire SafetyFoam Multi-Purpose FlooringFurniture HardwareGarage Door Openers and HardwareGate HardwareGatesGuttering & DrainageHand ToolsHardware KnobsHome SafetyHVAC Ducting and VentilationKitchen HardwareKitchen PlumbingLight BulbsMechanics ToolsPaint Supplies & ToolsPersonal PreparednessPersonal Protective EquipmentPipes, Fittings & AccessoriesPlumbing Tools & AccessoriesPower Tool AccessoriesPower ToolsPressure WashersProjectsRegisters and GrillsSafety DetectorsSealants, Fillers and AdhesivesShop Plumbing by FixtureSolar AccessoriesSolar Charge ControllerSolar PanelsSolderingStorm & Flood PrepSurveillanceTestersThermostatsTile Tools & MaterialsTool Equipment & StorageValves & Valve RepairWater Heaters, Pumps & TanksWaterproofers and SealersWelding & Cutting AccessoriesWildfire PrepWindow Screens and FilmsWindow WeatherproofingWinter Prep

Ventilation Meter

Uses item details. Price when purchased online

Clearance Newentor CO2 Monitor, Indoor Air Quality Meters, Real-Time Temperature & Humidity Monitor, Carbon Dioxide Detector with Alerts, Alarm Clock, for Home, Office, and Greenhouse Use, Black From $49.99

Newentor CO2 Monitor, Indoor Air Quality Meters, Real-Time Temperature & Humidity Monitor, Carbon Dioxide Detector with Alerts, Alarm Clock, for Home, Office, and Greenhouse Use, Black
Options
Sponsored
From$4999

Newentor CO2 Monitor, Indoor Air Quality Meters, Real-Time Temperature & Humidity Monitor, Carbon Dioxide Detector with Alerts, Alarm Clock, for Home, Office, and Greenhouse Use, Black

4.4 out of 5 Stars. 49 reviews
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Walmart Plus

Multifunction HVAC Meter PCE-HVAC 3 $309.00

Multifunction HVAC Meter PCE-HVAC 3
current price $309.00

Multifunction HVAC Meter PCE-HVAC 3

Square Counter Meter Digital Display Counter with Ventilation Hole 6 Digit 0-999999 AC220V 22mm Hole Mount Count Meter

Square Counter Meter Digital Display Counter with Ventilation Hole 6 Digit 0-999999 AC220V 22mm Hole Mount Count Meter

Square Counter Meter Digital Display Counter with Ventilation Hole 6 Digit 0-999999 AC220V 22mm Hole Mount Count Meter

IQAir Air Quality Monitor Indoor, White, Swiss Design, Professional Grade,1 Count per Pack, Assembled Product Height 3.5 in

IQAir Air Quality Monitor Indoor, White, Swiss Design, Professional Grade,1 Count per Pack, Assembled Product Height 3.5 in
Available in additional 2 options
Options

IQAir Air Quality Monitor Indoor, White, Swiss Design, Professional Grade,1 Count per Pack, Assembled Product Height 3.5 in

4.8 out of 5 Stars. 130 reviews

RUISINERY Digital Display Counter 22mm Hole Mount Square Counter Meter 6 Digit 0-999999 AC220V Count Meter with Ventilation Hole $8.14

RUISINERY Digital Display Counter 22mm Hole Mount Square Counter Meter 6 Digit 0-999999 AC220V Count Meter with Ventilation Hole
current price $8.14

RUISINERY Digital Display Counter 22mm Hole Mount Square Counter Meter 6 Digit 0-999999 AC220V Count Meter with Ventilation Hole

RUISINERY Digital Display Counter 22mm Hole Mount Square Counter Meter 6 Digit 0-999999 AC220V Count Meter with Ventilation Hole $8.14

RUISINERY Digital Display Counter 22mm Hole Mount Square Counter Meter 6 Digit 0-999999 AC220V Count Meter with Ventilation Hole
current price $8.14

RUISINERY Digital Display Counter 22mm Hole Mount Square Counter Meter 6 Digit 0-999999 AC220V Count Meter with Ventilation Hole

Digital Display Counter 22mm Hole Mount Square Counter Meter 6 Digit 0-999999 AC220V Count Meter with Ventilation Hole From $7.25

Digital Display Counter 22mm Hole Mount Square Counter Meter 6 Digit 0-999999 AC220V Count Meter with Ventilation Hole
Green, variant on Digital Display Counter 22mm Hole Mount Square Counter Meter 6 Digit 0-999999 AC220V Count Meter with Ventilation Hole
Red, variant on Digital Display Counter 22mm Hole Mount Square Counter Meter 6 Digit 0-999999 AC220V Count Meter with Ventilation Hole
White, variant on Digital Display Counter 22mm Hole Mount Square Counter Meter 6 Digit 0-999999 AC220V Count Meter with Ventilation Hole
Yellow, variant on Digital Display Counter 22mm Hole Mount Square Counter Meter 6 Digit 0-999999 AC220V Count Meter with Ventilation Hole
Options
From$725

Digital Display Counter 22mm Hole Mount Square Counter Meter 6 Digit 0-999999 AC220V Count Meter with Ventilation Hole

Square Counter Meter Quick Response Digital Display Counter 6 Digit 0-999999 AC220V Count Meter with Ventilation Hole

Square Counter Meter Quick Response Digital Display Counter 6 Digit 0-999999 AC220V Count Meter with Ventilation Hole
Red, variant on Square Counter Meter Quick Response Digital Display Counter 6 Digit 0-999999 AC220V Count Meter with Ventilation Hole
White, variant on Square Counter Meter Quick Response Digital Display Counter 6 Digit 0-999999 AC220V Count Meter with Ventilation Hole
Options

Square Counter Meter Quick Response Digital Display Counter 6 Digit 0-999999 AC220V Count Meter with Ventilation Hole

Clupup 5-in-1 Digital Air Quality Monito Carbon Dioxide Detector Temp&Humidity Tester $10.12

Clupup 5-in-1 Digital Air Quality Monito Carbon Dioxide Detector Temp&Humidity Tester
current price $10.12

Clupup 5-in-1 Digital Air Quality Monito Carbon Dioxide Detector Temp&Humidity Tester

Suodoka Air Quality Meter 3-in-1 Infrared NDIR CO2 Monitor Temperature & Humidity Tester for Home & Office, Accurate Indoor Gas Detector (5.9 inches / 15 cm, White) $37.44

Suodoka Air Quality Meter 3-in-1 Infrared NDIR CO2 Monitor Temperature & Humidity Tester for Home & Office, Accurate Indoor Gas Detector (5.9 inches / 15 cm, White)
current price $37.44

Suodoka Air Quality Meter 3-in-1 Infrared NDIR CO2 Monitor Temperature & Humidity Tester for Home & Office, Accurate Indoor Gas Detector (5.9 inches / 15 cm, White)

OVTSC 2.8'' Multifunctional Digital Car PM2.5 Air Quality Detector Monitor AQI Home Air Monitor $50.34

OVTSC 2.8'' Multifunctional Digital Car PM2.5 Air Quality Detector Monitor AQI Home Air Monitor
current price $50.34

OVTSC 2.8'' Multifunctional Digital Car PM2.5 Air Quality Detector Monitor AQI Home Air Monitor

Other options to consider

Quality 9 In 1 BT Air Quality Monitor CO2 Meter Carbon Dioxide Detector Time/Date CO2 TVOC HCHO PM2.5 PM1.0 PM10 Temperature Humidity Detection Support APP Control With Alarm $30.90

Quality 9 In 1 BT Air Quality Monitor CO2 Meter Carbon Dioxide Detector Time/Date CO2 TVOC HCHO PM2.5 PM1.0 PM10 Temperature Humidity Detection Support APP Control With Alarm
current price $30.90

Quality 9 In 1 BT Air Quality Monitor CO2 Meter Carbon Dioxide Detector Time/Date CO2 TVOC HCHO PM2.5 PM1.0 PM10 Temperature Humidity Detection Support APP Control With Alarm

OVTSC 7-in-1 Standard Indoor Air Quality Monitor, CO2 TVOC HCHO PM2.5 Detector, Temperature & Humidity Sensor AQI Meter for Home Office (4.7x4.3x2.0 inches / 12x11x5 cm) - White From $31.37

OVTSC 7-in-1 Standard Indoor Air Quality Monitor, CO2 TVOC HCHO PM2.5 Detector, Temperature & Humidity Sensor AQI Meter for Home Office (4.7x4.3x2.0 inches / 12x11x5 cm) - White
Black, variant on OVTSC 7-in-1 Standard Indoor Air Quality Monitor, CO2 TVOC HCHO PM2.5 Detector, Temperature & Humidity Sensor AQI Meter for Home Office (4.7x4.3x2.0 inches / 12x11x5 cm) - White
White, variant on OVTSC 7-in-1 Standard Indoor Air Quality Monitor, CO2 TVOC HCHO PM2.5 Detector, Temperature & Humidity Sensor AQI Meter for Home Office (4.7x4.3x2.0 inches / 12x11x5 cm) - White
Options
From$3137

OVTSC 7-in-1 Standard Indoor Air Quality Monitor, CO2 TVOC HCHO PM2.5 Detector, Temperature & Humidity Sensor AQI Meter for Home Office (4.7x4.3x2.0 inches / 12x11x5 cm) - White

KFFKFF CO2 Monitoring Controller with Dual Outlets, CO2 Meter for Day and Night Detection, Ndir Sensor for Greenhouses, Labs, Classrooms, $123.99

KFFKFF CO2 Monitoring Controller with Dual Outlets, CO2 Meter for Day and Night Detection, Ndir Sensor for Greenhouses, Labs, Classrooms,
current price $123.99

KFFKFF CO2 Monitoring Controller with Dual Outlets, CO2 Meter for Day and Night Detection, Ndir Sensor for Greenhouses, Labs, Classrooms,

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Walmart Plus

Indoor Air Quality Monitor,CO2 Monitor/Temperature/Formaldehyde Detector/Humidity TVOC for Rooms,Grow Tents White $14.99

Indoor Air Quality Monitor,CO2 Monitor/Temperature/Formaldehyde Detector/Humidity TVOC for Rooms,Grow Tents White
current price $14.99

Indoor Air Quality Monitor,CO2 Monitor/Temperature/Formaldehyde Detector/Humidity TVOC for Rooms,Grow Tents White

Clearance 3-in-1 Portable CO2 Meter, Handheld Air Quality Detector with Carbon Monoxide Sensor and Temperature Humidity Monitor for Home Office Car and Travel, 3.35x2.01x0.67in $15.99 Was $18.99

3-in-1 Portable CO2 Meter, Handheld Air Quality Detector with Carbon Monoxide Sensor and Temperature Humidity Monitor for Home Office Car and Travel, 3.35x2.01x0.67in
current price Now $15.99, Was $18.99

3-in-1 Portable CO2 Meter, Handheld Air Quality Detector with Carbon Monoxide Sensor and Temperature Humidity Monitor for Home Office Car and Travel, 3.35x2.01x0.67in

Detector Monitor NH3 Air, Ammonia Tester Gas 0~100 PPM With Alarm Buzzer, Wall-Mounted Type,Humy&Temp Sensor Big Display $240.50

Detector Monitor NH3 Air, Ammonia Tester Gas 0~100 PPM With Alarm Buzzer, Wall-Mounted Type,Humy&Temp Sensor Big Display
current price $240.50

Detector Monitor NH3 Air, Ammonia Tester Gas 0~100 PPM With Alarm Buzzer, Wall-Mounted Type,Humy&Temp Sensor Big Display

PM2.5 Air Quality Monitor Digital Gas Detector Temperature Humidity Sensor $88.35

PM2.5 Air Quality Monitor Digital Gas Detector Temperature Humidity Sensor
current price $88.35

PM2.5 Air Quality Monitor Digital Gas Detector Temperature Humidity Sensor

Air Quality Monitor Indoor 10 in 1 Portable Smart Tester for CO2 TVOC PM2.5 PM1.0 PM10 HCHO Detection Humidity for Home Cars Plants Pets Hotel $35.99

Air Quality Monitor Indoor 10 in 1 Portable Smart Tester for CO2 TVOC PM2.5 PM1.0 PM10 HCHO Detection Humidity for Home Cars Plants Pets Hotel
current price $35.99

Air Quality Monitor Indoor 10 in 1 Portable Smart Tester for CO2 TVOC PM2.5 PM1.0 PM10 HCHO Detection Humidity for Home Cars Plants Pets Hotel

Clearance Newentor CO2 Monitor, Indoor Air Quality Meters, Real-Time Temperature & Humidity Monitor, Carbon Dioxide Detector with Alerts, Alarm Clock, for Home, Office, and Greenhouse Use, Black

Newentor CO2 Monitor, Indoor Air Quality Meters, Real-Time Temperature & Humidity Monitor, Carbon Dioxide Detector with Alerts, Alarm Clock, for Home, Office, and Greenhouse Use, Black
Black, variant on Newentor CO2 Monitor, Indoor Air Quality Meters, Real-Time Temperature & Humidity Monitor, Carbon Dioxide Detector with Alerts, Alarm Clock, for Home, Office, and Greenhouse Use, Black
White, variant on Newentor CO2 Monitor, Indoor Air Quality Meters, Real-Time Temperature & Humidity Monitor, Carbon Dioxide Detector with Alerts, Alarm Clock, for Home, Office, and Greenhouse Use, Black
Options

Newentor CO2 Monitor, Indoor Air Quality Meters, Real-Time Temperature & Humidity Monitor, Carbon Dioxide Detector with Alerts, Alarm Clock, for Home, Office, and Greenhouse Use, Black

4.4 out of 5 Stars. 49 reviews
Save with
Walmart Plus

Gas Detector Tester Monitor,Particle Detector Professional Meter For Industry, Home, Factory, Air Purifier $336.13

Gas Detector Tester Monitor,Particle Detector Professional Meter For Industry, Home, Factory, Air Purifier
current price $336.13

Gas Detector Tester Monitor,Particle Detector Professional Meter For Industry, Home, Factory, Air Purifier

Co2 Meter Temperature Humidity Detector 3 In 1 Air Quality Monitor Gas Analyzer With LCD Display $72.11

Co2 Meter Temperature Humidity Detector 3 In 1 Air Quality Monitor Gas Analyzer With LCD Display
current price $72.11

Co2 Meter Temperature Humidity Detector 3 In 1 Air Quality Monitor Gas Analyzer With LCD Display

New Air Quality Detector Carbon Dioxide Detector Agricultural Production Greenhouse Gas Monitor Air Quality Tester CO2 Meter $46.62

New Air Quality Detector Carbon Dioxide Detector Agricultural Production Greenhouse Gas Monitor Air Quality Tester CO2 Meter
current price $46.62

New Air Quality Detector Carbon Dioxide Detector Agricultural Production Greenhouse Gas Monitor Air Quality Tester CO2 Meter

MOMOJIA Air Quality Monitors CO2 Meter Carbon Dioxide Detectors CO2 TVOC HCHO Tester $41.19

MOMOJIA Air Quality Monitors CO2 Meter Carbon Dioxide Detectors CO2 TVOC HCHO Tester
current price $41.19

MOMOJIA Air Quality Monitors CO2 Meter Carbon Dioxide Detectors CO2 TVOC HCHO Tester

VEVOR Carbon Dioxide Monitoring Controller, Dual Outlets Carbon Dioxide Controller, CO2 Meter Monitor Day and Night Detection Feature, NDIR CO2 Sensor for Green House, Laboratories, Classrooms, Home $95.90 Was $126.90

VEVOR Carbon Dioxide Monitoring Controller, Dual Outlets Carbon Dioxide Controller, CO2 Meter Monitor Day and Night Detection Feature, NDIR CO2 Sensor for Green House, Laboratories, Classrooms, Home
current price Now $95.90, Was $126.90

VEVOR Carbon Dioxide Monitoring Controller, Dual Outlets Carbon Dioxide Controller, CO2 Meter Monitor Day and Night Detection Feature, NDIR CO2 Sensor for Green House, Laboratories, Classrooms, Home

0-100A Current Detector Monitors Digital Ammeter AC100A Current Meter LED Backlit Screen Current Tester

0-100A Current Detector Monitors Digital Ammeter AC100A Current Meter LED Backlit Screen Current Tester

0-100A Current Detector Monitors Digital Ammeter AC100A Current Meter LED Backlit Screen Current Tester

Professional Gas Analyzer CO2 Meter Monitor Gas Detector Carbon Dioxide Detector Indoor Air Quality Monitor CO2 Tester AR8200 $269.31

Professional Gas Analyzer CO2 Meter Monitor Gas Detector Carbon Dioxide Detector Indoor Air Quality Monitor CO2 Tester AR8200
current price $269.31

Professional Gas Analyzer CO2 Meter Monitor Gas Detector Carbon Dioxide Detector Indoor Air Quality Monitor CO2 Tester AR8200

Portable Industry Gas Detector Built-in Pump NO2 Temperature Humidity SKZ1050E Nitrogen Dioxide Analyzer $192.61

Portable Industry Gas Detector Built-in Pump NO2 Temperature Humidity SKZ1050E Nitrogen Dioxide Analyzer
current price $192.61

Portable Industry Gas Detector Built-in Pump NO2 Temperature Humidity SKZ1050E Nitrogen Dioxide Analyzer

Plug In 6-in-1 Environment Detector Portable Air Quality Tester With HD Display Temperature Humidity Monitor Home Office Kitchen Indoor Air Analyzer Sensor $39.97

Plug In 6-in-1 Environment Detector Portable Air Quality Tester With HD Display Temperature Humidity Monitor Home Office Kitchen Indoor Air Analyzer Sensor
current price $39.97

Plug In 6-in-1 Environment Detector Portable Air Quality Tester With HD Display Temperature Humidity Monitor Home Office Kitchen Indoor Air Analyzer Sensor

AC Infinity CO2 Regulator, Carbon Dioxide Monitor with Solenoid Valve and Gas Flow Meter, CO2 Gauge Gas System for Grow Tents, Grow Rooms, and Greenhouses $44.99

AC Infinity CO2 Regulator, Carbon Dioxide Monitor with Solenoid Valve and Gas Flow Meter, CO2 Gauge Gas System for Grow Tents, Grow Rooms, and Greenhouses
current price $44.99

AC Infinity CO2 Regulator, Carbon Dioxide Monitor with Solenoid Valve and Gas Flow Meter, CO2 Gauge Gas System for Grow Tents, Grow Rooms, and Greenhouses

5 out of 5 Stars. 1 reviews

Suodoka Water Flow Sensor Switch with 1/2-inch / 1.27 cm Interface Electromagnetic Flowmeter Industrial Accessory for Liquid Air Dual-Use Equipment and Automation Systems $15.01

Suodoka Water Flow Sensor Switch with 1/2-inch / 1.27 cm Interface Electromagnetic Flowmeter Industrial Accessory for Liquid Air Dual-Use Equipment and Automation Systems
current price $15.01

Suodoka Water Flow Sensor Switch with 1/2-inch / 1.27 cm Interface Electromagnetic Flowmeter Industrial Accessory for Liquid Air Dual-Use Equipment and Automation Systems

VEVOR Carbon Dioxide Monitor, CO2 Controller with Temperature and Humidity Display, NDIR Sensor, Carbon Dioxide Detector for Bedside, Home, Office, Car, Lightweight & Portable $37.99

VEVOR Carbon Dioxide Monitor, CO2 Controller with Temperature and Humidity Display, NDIR Sensor, Carbon Dioxide Detector for Bedside, Home, Office, Car, Lightweight & Portable
current price $37.99

VEVOR Carbon Dioxide Monitor, CO2 Controller with Temperature and Humidity Display, NDIR Sensor, Carbon Dioxide Detector for Bedside, Home, Office, Car, Lightweight & Portable

1 out of 5 Stars. 1 reviews

Digital Ammeter AC100A Current Meter 22mm Square Head 0-100A Current Detector Monitors Current Tester

Digital Ammeter AC100A Current Meter 22mm Square Head 0-100A Current Detector Monitors Current Tester
Green, variant on Digital Ammeter AC100A Current Meter 22mm Square Head 0-100A Current Detector Monitors Current Tester
Red, variant on Digital Ammeter AC100A Current Meter 22mm Square Head 0-100A Current Detector Monitors Current Tester
Options

Digital Ammeter AC100A Current Meter 22mm Square Head 0-100A Current Detector Monitors Current Tester

Reduced price Air quality tester,Temperature Probe/time Tester Office 8-in-1 Indoor Air Probe/time Car Quality Tester Air Quality Tester Car Quality Portable $52.02 Was $65.03

Air quality tester,Temperature Probe/time Tester Office 8-in-1 Indoor Air Probe/time Car Quality Tester Air Quality Tester Car Quality Portable
current price Now $52.02, Was $65.03

Air quality tester,Temperature Probe/time Tester Office 8-in-1 Indoor Air Probe/time Car Quality Tester Air Quality Tester Car Quality Portable

lanema Current Tester Gauge 0-100A Current Detector Monitors 100A Current Meter Ammeter

lanema Current Tester Gauge 0-100A Current Detector Monitors 100A Current Meter Ammeter

lanema Current Tester Gauge 0-100A Current Detector Monitors 100A Current Meter Ammeter

Gas CO2 Detector Air Monitor Quality Tester Temperature Humidity Measuring PM2.5 $54.06

Gas CO2 Detector Air Monitor Quality Tester Temperature Humidity Measuring PM2.5
current price $54.06

Gas CO2 Detector Air Monitor Quality Tester Temperature Humidity Measuring PM2.5

Hp-5800G Ammonia Gas Detector Tester Monitor,Particle Detector Professional Meter For Industry,Home,Factory,Air Purifier Quality $819.30

Hp-5800G Ammonia Gas Detector Tester Monitor,Particle Detector Professional Meter For Industry,Home,Factory,Air Purifier Quality
current price $819.30

Hp-5800G Ammonia Gas Detector Tester Monitor,Particle Detector Professional Meter For Industry,Home,Factory,Air Purifier Quality

Air quality tester,Portable Carbon Air Quality Tester Display Co Test Meter Temperature And Meter Co Led Display Monoxide Tester Temperature Co Air Portablewifi Multicolor $32.66

Air quality tester,Portable Carbon Air Quality Tester Display Co Test Meter Temperature And Meter Co Led Display Monoxide Tester Temperature Co Air Portablewifi Multicolor
current price $32.66

Air quality tester,Portable Carbon Air Quality Tester Display Co Test Meter Temperature And Meter Co Led Display Monoxide Tester Temperature Co Air Portablewifi Multicolor

Carbon Monoxide Meter CO Gas Detector Gas Analyzer Gas Monitor $93.43

Carbon Monoxide Meter CO Gas Detector Gas Analyzer Gas Monitor
current price $93.43

Carbon Monoxide Meter CO Gas Detector Gas Analyzer Gas Monitor

DC5~24V adjustable regulated power supply digital display 5-digit DC power meter $17.07

DC5~24V adjustable regulated power supply digital display 5-digit DC power meter
current price $17.07

DC5~24V adjustable regulated power supply digital display 5-digit DC power meter

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