Schaefer SFT-1200 12" Shutter-Style Exhaust Fan, great for greenhouses . Low-maintenance, energy-efficient solution for low to medium airflow. Features an aluminum blade, powder-coated guards, durable PVC shutters and an enclosed heavy-duty motor. Hardwired electrical connection required. Mounts flush to exterior wall.

Features and Specs:

• Speed: RPM 1,550
• Air Delivery: CFM 760
• Volts: 115
• H/P: 1/30
• Amps: 9
• Dimensions: L x W x H 8 ⅜" x 14 ⅞" x 14 ⅞"
• Made in United States

Schaefer SFT-1600 16" Shutter-Style Exhaust Fan, great for greenhouses . Low-maintenance, energy-efficient solution for low to medium airflow. Features an aluminum blade, powder-coated guards, durable PVC shutters and an enclosed heavy-duty motor. Hardwired electrical connection required. Mounts flush to exterior wall.

Features and Specs:

• Speed: RPM 900
• Air Delivery: CFM 1250
• Volts: 120
• H/P: 1/10
• Amps: 1.3/0.65
• Dimensions: L x W x H 14" x 22" x 22"
• Made in United States

Schaefer SFT-2000A 20" Shutter-Style Exhaust Fan, great for greenhouses . Low-maintenance, energy-efficient solution for low to medium airflow. Features an aluminum blade, powder-coated guards, durable aluminum shutters and an enclosed heavy-duty motor. Hardwired electrical connection required. Mounts flush to exterior wall.

Features and Specs:

• Speed: RPM 14
• Air Delivery: CFM 3,122
• Volts: 115/230
• H/P: 1/3
• Amps: 3.8/1.9
• Dimensions: L x W x H 12 ⅜" x 22 ¾" x 22 ¾"
• Made in United States