TrolMaster Digital CO2 PPM Controller, for Regulator and Generator Greenhouse Fans Weighing just 8 lbs at

Weighing just 8 lbs at 8

Indicating Cards for Storage Containers

making upkeep a breeze

combine a QC ES-1500 with smaller individual fans for private zone control

Hang when the room is full and you need draw at canopy height

TrolMaster Digital CO2 PPM Controller, for Regulator and Generator Greenhouse Fans Weighing just 8 lbs atTrolMaster BETA8 Digital CO2 PPM Controller TheTrolMaster BETA8 Digital CO2 PPM Controller is a simple and affordable way to control your CO2 injection device. Choose your desired CO2 parts per million (PPM) level and the BETA8 controller will automatically maintain that specified CO2 level. A built in photocell located on the remote sensor automatically deactivates CO2 injection during the night time. A remote sensor with 16' cable allows close