where do i put this one? where do i put this one?

C02 Sensor

Dimlux Co2 Sensor for Maxi Controller Long- 10 Meters (32.8 ft.)

Plant Care & Accessories

Dimlux Co2 Sensor for Maxi Controller Long- 10 Meters (32.8 ft.)

$616.95
Dimlux Co2 Sensor for Maxi Controller w/ 5m Cable (16 ft.)

Grow Lights

Dimlux Co2 Sensor for Maxi Controller w/ 5m Cable (16 ft.)

$598.95