20" Shutter Style Exhaust Fans by Schaefer

Shutter Style Exhaust Fans by Schaefer Use shutter-style exhaust fans for low to medium exhaust airflow requirements in thin-walled buildings, such as greenhouses requiring exhaust fans with a low profile. Fan mounts flush to the exterior wall. Features & Benefits • Available in 12" to 20" sizes. • All models are direct-drive. • Heavy-duty, totally enclosed, maintenance free and energy efficient motors. • Shutter-style fans have aluminum blades, rugged PVC shutters and powder coated guards for long life. • 2-year limited warranty. • Made in the USA. Rough-in Diminsions: 20-5/8"W x 20-5/8"H No. SFT-2000