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shutter style exhaust fan
20" Shutter-Style Exhaust Fan
Price: $625.00

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
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greenhouse vent, greenhouse shutter
Aluminium Shutter, 30"
Price: $275.00

Brushed aluminium.  Automate with shutter motors (requires a thermostat or other controller - not included ) or VEL thermal opener.
rough opening: 30 1/2" wide X 31"
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light trap
Light Trap - 21"
Price: $149.00

Provide air exchanges while excluding light.

21" x 21" x 9-3/4" depth. American made. Excellent performance.

Easily assembled. Frame not included.

Please call for other sizes.
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greenhouse vent, greenhouse shutter
Motor for Aluminium Shutter
Price: $268.00

Automate any shutter up to 48"
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