Darkroom Fan, Model Sl/Ps, Each

Details:

With all of the toxic chemicals and fumes which are released during film processing, the need for adequate ventilation in darkroom work areas cannot be over emphasized. Improperly ventilated space can be harmful to the health of workers. Used to exhaust air out of the darkroom with a 6" diameter galvanized pipe. Airflow is from 600-900 CFM. Requires 18 x1 18" supply louver (L1818). Comes with 6" exhaust pipe starter. For up 20' square room.