Product Description:
Exhaust fan keeps air moving through your Janssens or Riga greenhouse to create the best possible growing environment. Available in three sizes. 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 plug-in power cord.
16" Exhaust Fan: recommended for RIGA 5, VI 34-46; works best with VC115-C thermostat controller. Unit requires a 16.25" x 16.25" opening. Usually positioned in a high location in the back wall. Comes pre-wired with 9 feet plug-in power cord.
20" Exhaust Fan: recommended for RIGA XL units; works best with VC115-C thermostat controller. Unit requires a 20.25" x 20.25" opening. Usually positioned in a high location in the back wall. Comes pre-wired with 9 feet plug-in power cord.