Exhaust Fan - 12" Size:12" perfectly integrates with any home

perfectly integrates with any home design and outdoor environment

Maintenance-free

A heavy-duty resin frame is durable and maintenance-free for years of use

1 20" exhaust fan

and manufactured in Germany by Hoklartherm

Exhaust Fan - 12" Size:12" perfectly integrates with any homeProduct Description: Exhaust fan keeps air moving through your Janssens or Riga greenhouse to create the best possible growing environment. The exhaust fan works great to reduce the strain of heat on your crops. 12" Exhaust Fan: recommended for RIGA 2, 3, 4, and J Vics, and VI 23; works best with VC115 C thermostat controller. Unit requires a 12. 25" x 12. 25" opening. Usually positioned in a high location in the back wall. Comes pre wired with 9 feet