Rigid steel construction is durable Weather resistant for indoor or greenhouse use Galvanized steel housing is rust and corrosion resistant Includes 4 in. flange for installing in-line as part of an grow room ventilation system 55 CFM to 110 CFM Exhaust 6.5 lb. Carbon weight Under typical conditions should last for one year or when unit has increased its original weight by 20% Fan not included; choose an inline fan that meets the recommended exhaust

Rigid steel construction is durable Weather resistant for indoor or greenhouse use Galvanized steel housing is rust and corrosion resistant Includes 4 in. flange for installing in-line as part of an grow room ventilation system 55 CFM to 110 CFM Exhaust 6.5 lb. Carbon weight Under typical conditions should last for one year or when unit has increased its original weight by 20% Fan not included; choose an inline fan that meets the recommended exhaust