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INKBIRD CO2 Controller Carbon Dioxide Built-in Photo Sensor 3 Running Modes 120V

INKBIRD CO2 Controller Carbon Dioxide Built-in Photo Sensor 3 Running Modes 120V

$99.99$49.99

5IN1 CO2 Meter Air Quality Monitor 400-5000 PPM Sensor Carbon Dioxide Detector

5IN1 CO2 Meter Air Quality Monitor 400-5000 PPM Sensor Carbon Dioxide Detector

$13.59$6.79

VAISALA CO2 Sensor Gmp251

VAISALA CO2 Sensor Gmp251

$220.00$110.00

CO2 Meter Carbon Dioxide Monitor Detector Rad-0102-6 Alarm

CO2 Meter Carbon Dioxide Monitor Detector Rad-0102-6 Alarm

$74.69$37.34

CO2 Meter Air Quality Monitor 400-5000 PPM Sensor Carbon Dioxide Detector US

CO2 Meter Air Quality Monitor 400-5000 PPM Sensor Carbon Dioxide Detector US

$13.54$6.77

New CO2 Meter Air Quality Monitor 400-5000 PPM Sensor Carbon Dioxide Detector LN

New CO2 Meter Air Quality Monitor 400-5000 PPM Sensor Carbon Dioxide Detector LN

$13.16$6.58

6 in 1 Air Quality Monitor CO2 Meter Carbon Dioxide Level TVOC HCHO Detector NEW

6 in 1 Air Quality Monitor CO2 Meter Carbon Dioxide Level TVOC HCHO Detector NEW

$20.99$10.49

CO2 + Light Sensor for AC Infinity Controller AI CO2 Data Tracking Optimized FAE

CO2 + Light Sensor for AC Infinity Controller AI CO2 Data Tracking Optimized FAE

$49.99$25.00

13in1 Multifunctional Air Quality Monitor WIFI CO2 HCHO TVOC PM Meter Detector

13in1 Multifunctional Air Quality Monitor WIFI CO2 HCHO TVOC PM Meter Detector

$36.99$18.50

CO2 Sensor SCO2-1 For Home Assistant By Screek (SCD40, ESPHome)

CO2 Sensor SCO2-1 For Home Assistant By Screek (SCD40, ESPHome)

$34.99$17.50

5in1 Air Quality Monitor Carbon Dioxide Detector CO2 HCHO TVOC Test Meter Indoor

5in1 Air Quality Monitor Carbon Dioxide Detector CO2 HCHO TVOC Test Meter Indoor

$36.99$18.50

Air Quality Monitor Bluetooth Temp Humidity TVOC CO2 HCHO Indoor Air Detector

Air Quality Monitor Bluetooth Temp Humidity TVOC CO2 HCHO Indoor Air Detector

$21.69$10.85

Protocol Mainstream CO2 Sensor

Protocol Mainstream CO2 Sensor

$187.00$93.50

Manning IR-F4-0/1%-N1 CO2 Sensor IR-CO2 0/1% Range

Manning IR-F4-0/1%-N1 CO2 Sensor IR-CO2 0/1% Range

$319.99$160.00

Veris CWE,CWL CO2 Sensor W/ LCD Wall/1k Temp/ Economy Mounting,CWLSXTC

Veris CWE,CWL CO2 Sensor W/ LCD Wall/1k Temp/ Economy Mounting,CWLSXTC

$99.95$49.98

Protocol Mainstream CO2 Sensor Propaq End-Tidal CO2 ETCO2 P/N 008-0502 NEW

Protocol Mainstream CO2 Sensor Propaq End-Tidal CO2 ETCO2 P/N 008-0502 NEW

$525.00$262.50

Capnostat 5 Mainstream Co2 Sensor By Hamilton

Capnostat 5 Mainstream Co2 Sensor By Hamilton

$599.00$299.50

Smoke Detector and Carbon Monoxide Detector co2 Detector Battery Powered

Smoke Detector and Carbon Monoxide Detector co2 Detector Battery Powered

$21.00$10.50

13in1 Air Quality Monitor WIFI CO2 Meter HCHO TVOC PM TEMP HUMI Detector Alarm

13in1 Air Quality Monitor WIFI CO2 Meter HCHO TVOC PM TEMP HUMI Detector Alarm

$36.99$18.50

Carbon Monoxide Detector CO2 Handheld Portable Test Meter

Carbon Monoxide Detector CO2 Handheld Portable Test Meter

$39.99$20.00

Sensirion CO2 Carbon Dioxide humidity & Temperature Sensor SCD30

Sensirion CO2 Carbon Dioxide humidity & Temperature Sensor SCD30

$45.00$22.50

2025 Spider Farmer Genius Grow System Sensor Pro Kits CO2 Sensor and PPFD Sensor

2025 Spider Farmer Genius Grow System Sensor Pro Kits CO2 Sensor and PPFD Sensor

$59.99$30.00

Inkbird Plus CO2 Carbon Dioxide Detector Temp Air Quality Tester Monitor PTH-9A

Inkbird Plus CO2 Carbon Dioxide Detector Temp Air Quality Tester Monitor PTH-9A

$24.99$12.49

9-in-1 Air Quality Monitor Indoor CO2 Meter TVOC HCHO PM2.5/1.0/10 CO Detector

9-in-1 Air Quality Monitor Indoor CO2 Meter TVOC HCHO PM2.5/1.0/10 CO Detector

$34.99$17.50

CO2 Meter Air Quality Monitor 400-5000 PPM Sensor Home Carbon Dioxide Detector

CO2 Meter Air Quality Monitor 400-5000 PPM Sensor Home Carbon Dioxide Detector

$12.14$6.07

6 in 1 Air Quality Monitor Home Office CO2 Meter HCHO CO TVOC PM2.5/10 Detector

6 in 1 Air Quality Monitor Home Office CO2 Meter HCHO CO TVOC PM2.5/10 Detector

$22.99$11.49

TharSFC CO2 Ambient Air Sensor Alarm with Power Cord 16001267

TharSFC CO2 Ambient Air Sensor Alarm with Power Cord 16001267

$79.54$39.77

Air Quality Monitor CO2 HCHO TVOC PM2.5/10 Detector Alarm Home Office Car White

Air Quality Monitor CO2 HCHO TVOC PM2.5/10 Detector Alarm Home Office Car White

$22.99$11.49

Philips Respironics M2501A CAPNOSTAT CO2 Sensor

Philips Respironics M2501A CAPNOSTAT CO2 Sensor

$799.99$400.00

DRAGER 6870300 CO2 SENSOR CABLE ! (342487)

DRAGER 6870300 CO2 SENSOR CABLE ! (342487)

$100.00$50.00

Protocol Mainstream CO2 Sensor

Protocol Mainstream CO2 Sensor

$250.00$125.00

SCHNEIDER ELECTRIC SCR510B Room CO2 Sensor Transmitter

SCHNEIDER ELECTRIC SCR510B Room CO2 Sensor Transmitter

$399.98$199.99

9In1 Air Quality Monitor Indoor Home CO2 Meter CO TVOC HCHO PM2.5 Test Detector

9In1 Air Quality Monitor Indoor Home CO2 Meter CO TVOC HCHO PM2.5 Test Detector

$34.49$17.25

Household CO2 Detector C02 Temp Humidity Tester Backlight Air Monitor US

Household CO2 Detector C02 Temp Humidity Tester Backlight Air Monitor US

$23.01$11.51

Portable CO2 Detector Mini Indoor Monitor NDIR Sensor Alarm Calibration LCD Home

Portable CO2 Detector Mini Indoor Monitor NDIR Sensor Alarm Calibration LCD Home

$26.99$13.49

Gas Sensor Module Detects CO2 Carbon Dioxide Temperature Humidity Tool

Gas Sensor Module Detects CO2 Carbon Dioxide Temperature Humidity Tool

$29.30$14.65

PROTMEX 6 in 1 CO2 Detector Air Quality Monitor Carbon Dioxide Meter Digital

PROTMEX 6 in 1 CO2 Detector Air Quality Monitor Carbon Dioxide Meter Digital

$27.99$13.99

Sensirion SCD4x CO2 Sensor Demonstrator SCD4X CO2 GADGET

Sensirion SCD4x CO2 Sensor Demonstrator SCD4X CO2 GADGET

$39.99$20.00

DOL CO2 Sensor 119 140331

DOL CO2 Sensor 119 140331

$590.00$295.00

Genesis G80 2018-2020 A/C Selector Switch w/o CO2 Sensor 4DR T4J23892

Genesis G80 2018-2020 A/C Selector Switch w/o CO2 Sensor 4DR T4J23892

$224.99$112.50

7-in-1 Air Quality Monitor Indoor, CO2 Detector, Air Quality Tester for Home,...

7-in-1 Air Quality Monitor Indoor, CO2 Detector, Air Quality Tester for Home,...

$29.08$14.54

New Vernier CO2 Gas Sensor - CO2-BTA

New Vernier CO2 Gas Sensor - CO2-BTA

$34.95$17.48

9in1 Air Quality Monitor CO CO2 Meter TVOC HCHO PM Detector 4 Levels Smart Alarm

9in1 Air Quality Monitor CO CO2 Meter TVOC HCHO PM Detector 4 Levels Smart Alarm

$34.99$17.50

Handheld CO2 Meter Air Quality Monitor Indoor Home Air Quality Tester Analyzer

Handheld CO2 Meter Air Quality Monitor Indoor Home Air Quality Tester Analyzer

$36.99$18.50

Vitalight Mini CO2 Detector, Air Quality Monitor Lightweight Health Safety EUC

Vitalight Mini CO2 Detector, Air Quality Monitor Lightweight Health Safety EUC

$39.00$19.50

CO2 Meter Portable CO2 Detector Carbon Dioxide Monitor Temp RH Humidity Tester

CO2 Meter Portable CO2 Detector Carbon Dioxide Monitor Temp RH Humidity Tester

$134.69$67.34

Respironics 3474-00 Sampling Line Kit, for LoFLo Sidestream CO2 Sensor

Respironics 3474-00 Sampling Line Kit, for LoFLo Sidestream CO2 Sensor

$11.95$5.97

INKBIRD Air Quality Monitor 10-in-1 WiFi Co2 Detector PM2.5,PM10,Co2,HCHO,AQI

INKBIRD Air Quality Monitor 10-in-1 WiFi Co2 Detector PM2.5,PM10,Co2,HCHO,AQI

$65.99$32.99

5in1 Air Quality Monitor CO2 Meter HCHO TVOC PM Temp Humidity Detector Alarm

5in1 Air Quality Monitor CO2 Meter HCHO TVOC PM Temp Humidity Detector Alarm

$15.79$7.89

Used Air Quality Monitor 5 in 1 Multifunctional CO2 TVOC AQI CO HCHO Detector

Used Air Quality Monitor 5 in 1 Multifunctional CO2 TVOC AQI CO HCHO Detector

$19.99$9.99

Trolmaster MBS-S8 CO2 Sensor for Hydro-X

Trolmaster MBS-S8 CO2 Sensor for Hydro-X

$155.00$77.50

Gas Sensor Module Detects CO2 Carbon Dioxide Temperature Humidity Tool

Gas Sensor Module Detects CO2 Carbon Dioxide Temperature Humidity Tool

$22.32$11.16

6IN1 Air Quality Monitor Bluetooth CO2 Meter TVOC HCHO Formaldehyde Detector US

6IN1 Air Quality Monitor Bluetooth CO2 Meter TVOC HCHO Formaldehyde Detector US

$27.99$13.99

Greystone CDD3A100 CO2 Sensor - New

Greystone CDD3A100 CO2 Sensor - New

$35.99$18.00

5in1 Air Quality Monitor Portable CO2 Detector Temperature And Humidity Detector

5in1 Air Quality Monitor Portable CO2 Detector Temperature And Humidity Detector

$14.05$7.03

1 For SenseAir S8 0053 Carbon Dioxide Infrared CO2 Sensors Low Power Consumption

1 For SenseAir S8 0053 Carbon Dioxide Infrared CO2 Sensors Low Power Consumption

$30.72$15.36

BRK CO1000R Carbon Monoxide CO2 Detector Sensor Pack Module

BRK CO1000R Carbon Monoxide CO2 Detector Sensor Pack Module

$12.65$6.33

WiFi Indoor Air Quality Monitor CO2 Detector Accurate NDIR Sensor Logger Home CF

WiFi Indoor Air Quality Monitor CO2 Detector Accurate NDIR Sensor Logger Home CF

$55.99$28.00

Pelican Wireless Systems TS250 Internet Programmable Thermostat W/CO2 Sensor NEW

Pelican Wireless Systems TS250 Internet Programmable Thermostat W/CO2 Sensor NEW

$125.00$62.50

JSM-131-SC Air Quality Detector Digital CO2 Sensor Blue TVOC HCHO AQI Carbon

JSM-131-SC Air Quality Detector Digital CO2 Sensor Blue TVOC HCHO AQI Carbon

$19.49$9.74

Analox 50 Co2 Monitor Carbon Dioxide Detector For Restaurant Bulk Co2

Analox 50 Co2 Monitor Carbon Dioxide Detector For Restaurant Bulk Co2

$67.69$33.84

Hydrofarm Autopilot Digital CO2 Hydroponic Sensor

Hydrofarm Autopilot Digital CO2 Hydroponic Sensor

$39.95$19.98

NELLCOR Pediatric Colorimetric CO2 Detector PEDICAP

NELLCOR Pediatric Colorimetric CO2 Detector PEDICAP

$17.95$8.97

Automated Logic ZS2 Plus Zone Sensor NEW ZS2PL-ALC Room Temp, CO2, Humidity

Automated Logic ZS2 Plus Zone Sensor NEW ZS2PL-ALC Room Temp, CO2, Humidity

$79.00$39.50

WiFi 15-in-1 Air Quality Detector APP Control Household CO CO2 TVOC HCHO Tester

WiFi 15-in-1 Air Quality Detector APP Control Household CO CO2 TVOC HCHO Tester

$32.98$16.49

MQ-135 NH3 NOx Alcohol Benzene Smoke CO2 Gas Sensor Detector Module For Arduino

MQ-135 NH3 NOx Alcohol Benzene Smoke CO2 Gas Sensor Detector Module For Arduino

$6.49$3.25

MH-Z19 MH-Z19B Infrared Carbon Dioxide Gas Sensor Module for CO2 Monitor

MH-Z19 MH-Z19B Infrared Carbon Dioxide Gas Sensor Module for CO2 Monitor

$21.97$10.98

6in1 Air Quality Monitor CO PM2.5 TVOC HCHO Detector Carbon Dioxide Exceed Alarm

6in1 Air Quality Monitor CO PM2.5 TVOC HCHO Detector Carbon Dioxide Exceed Alarm

$20.99$10.49

CO2 Carbon Dioxide Detector 4-in-1 Indoor Air Quality Monitor Portable CO2 Mo...

CO2 Carbon Dioxide Detector 4-in-1 Indoor Air Quality Monitor Portable CO2 Mo...

$19.79$9.89

CO2 Meter CO2 Monitor Carbon Dioxide Detector Tester Air Quality Monitor Sensor.

CO2 Meter CO2 Monitor Carbon Dioxide Detector Tester Air Quality Monitor Sensor.

$14.94$7.47

6in1 Air Quality Monitor CO PM2.5 TVOC HCHO Detector Carbon Dioxide Exceed Alarm

6in1 Air Quality Monitor CO PM2.5 TVOC HCHO Detector Carbon Dioxide Exceed Alarm

$18.48$9.24

Multifunctional Air Quality Detector Monitor LCD Display Home Indoor Office 6in1

Multifunctional Air Quality Detector Monitor LCD Display Home Indoor Office 6in1

$22.99$11.49

Air Quality Monitor TVOC HCHO Detector Temperature Humidity CO2 Sensor Meter

Air Quality Monitor TVOC HCHO Detector Temperature Humidity CO2 Sensor Meter

$34.49$17.25

3Pcs MQ-135 NH3 NOx Alcohol Benzene Smoke CO2 Sensor Detector Module For Arduino

3Pcs MQ-135 NH3 NOx Alcohol Benzene Smoke CO2 Sensor Detector Module For Arduino

$12.79$6.39

(white)radon Detector Carbon Dioxide Detector Co2 Monitor Infrared Sensor Mold

(white)radon Detector Carbon Dioxide Detector Co2 Monitor Infrared Sensor Mold

$34.02$17.01

Infrared CO2 Carbon Dioxide Sensor S8-0053 400-2000PPM Serial Communication

Infrared CO2 Carbon Dioxide Sensor S8-0053 400-2000PPM Serial Communication

$36.54$18.27

Breathe Easy with EEEKit 5-in-1 Air Quality Monitor - Real-Time CO2 Detector

Breathe Easy with EEEKit 5-in-1 Air Quality Monitor - Real-Time CO2 Detector

$19.98$9.99

SCD40 Gas Sensor Module CO2 Carbon Dioxide Temperature Humidity Detect Module US

SCD40 Gas Sensor Module CO2 Carbon Dioxide Temperature Humidity Detect Module US

$24.99$12.49

NELLCOR Pediatric Colorimetric CO2 Detector PEDICAP, Lot Of 5

NELLCOR Pediatric Colorimetric CO2 Detector PEDICAP, Lot Of 5

$23.00$11.50

Reliable Controls SMART-Sensorâ„¢ - CO2 Sensor - Model: SS3-E-CO2/W

Reliable Controls SMART-Sensorâ„¢ - CO2 Sensor - Model: SS3-E-CO2/W

$77.73$38.87

6 in 1 Air Quality Monitor Bluetooth CO2 Meter HCHO/TVOC/CO/TEMP/HUMI Detector

6 in 1 Air Quality Monitor Bluetooth CO2 Meter HCHO/TVOC/CO/TEMP/HUMI Detector

$27.99$13.99

Reliable Controls Smart Space Sensor Thermostat SS3-E-CO2

Reliable Controls Smart Space Sensor Thermostat SS3-E-CO2

$85.95$42.98

Carbon Dioxide CO2/TVOC/HCHO Detector PPM Meters Gas Analyzer Air Quality Tester

Carbon Dioxide CO2/TVOC/HCHO Detector PPM Meters Gas Analyzer Air Quality Tester

$34.98$17.49

MH-Z19 Series IR Infrared CO2 Sensor Module Gas NDIR Monitor 0-5000ppm UART

MH-Z19 Series IR Infrared CO2 Sensor Module Gas NDIR Monitor 0-5000ppm UART

$17.59$8.79

6 in 1 Air Quality Monitor CO2 Meter Carbon Dioxide Level TVOC HCHO Detector **

6 in 1 Air Quality Monitor CO2 Meter Carbon Dioxide Level TVOC HCHO Detector **

$21.88$10.94

SCD30 air quality sensor module for CO2 and RH / T measurements CO2 SENSOR

SCD30 air quality sensor module for CO2 and RH / T measurements CO2 SENSOR

$34.06$17.03

KC02WA KELE WALL CO2 SENSOR Carbon Dioxide AND MOUNT

KC02WA KELE WALL CO2 SENSOR Carbon Dioxide AND MOUNT

$97.27$48.63

CO2 Meter Temperature Humidity Air Quality Monitor Carbon Dioxide Detector New

CO2 Meter Temperature Humidity Air Quality Monitor Carbon Dioxide Detector New

$14.34$7.17

9 in 1 Air Quality Monitor Meter Carbon Dioxide Detector CO2 HCHO TVOC w/ Alarm

9 in 1 Air Quality Monitor Meter Carbon Dioxide Detector CO2 HCHO TVOC w/ Alarm

$34.69$17.34

Tuya WiFi 15 in 1 Air Quality Detector Indoor Air Quality Monitor CO2 Detector

Tuya WiFi 15 in 1 Air Quality Detector Indoor Air Quality Monitor CO2 Detector

$29.59$14.79

CO2 Carbon Dioxide Detector PTH-9 Serie Air Quality Tester - Unit Only, Works

CO2 Carbon Dioxide Detector PTH-9 Serie Air Quality Tester - Unit Only, Works

$15.32$7.66

TELAIRE T8100 Ventostat Wall Mount CO2 Sensor NEW #A

TELAIRE T8100 Ventostat Wall Mount CO2 Sensor NEW #A

$44.95$22.48

Autopilot APC8200 CO2 Monitor & Controller w/15' Remote Sensor - auto pilot

Autopilot APC8200 CO2 Monitor & Controller w/15' Remote Sensor - auto pilot

$100.00$50.00

CO2 Controller Carbon Dioxide Dual Control Function with 15ft Remote CO2 Sensor

CO2 Controller Carbon Dioxide Dual Control Function with 15ft Remote CO2 Sensor

$157.99$79.00

Life Basis Air Quality Monitor Indoor, 10-in-1 Air Co2 Gas Humid Detector Stand

Life Basis Air Quality Monitor Indoor, 10-in-1 Air Co2 Gas Humid Detector Stand

$34.99$17.50

Bluetooth Air Quality Monitor CO2 CO HCHO TVOC Detector Data Record Sound Alarm

Bluetooth Air Quality Monitor CO2 CO HCHO TVOC Detector Data Record Sound Alarm

$27.99$13.99

Atlas Scientific EZO-CO2â„¢ Embedded NDIR Carbon Dioxide CO2 Sensor

Atlas Scientific EZO-CO2â„¢ Embedded NDIR Carbon Dioxide CO2 Sensor

$68.81$34.41

Air Quality Monitor CO2 Carbon Dioxide Detector Sensor Model M8 R. 400-5000PPM

Air Quality Monitor CO2 Carbon Dioxide Detector Sensor Model M8 R. 400-5000PPM

$19.99$9.99

DRAGER 6871500 CO2 FLOW SENSOR CAPNOSTAT ETCO2 MONITORING @ (342486)

DRAGER 6871500 CO2 FLOW SENSOR CAPNOSTAT ETCO2 MONITORING @ (342486)

$162.00$81.00

Kele KC02WAALCD CO2 Sensor 20MA Out Wall Buzzer LCD

Kele KC02WAALCD CO2 Sensor 20MA Out Wall Buzzer LCD

$199.95$99.97