Jim Evans inspects the Cross Ventilation at Modak Dairy; Goodwin, SD.
Modak Dairy Cross Ventilation System using Schaefer model 523CF112-3.
Interior view of Modak Dairy Cross Ventilation System. Schaefer model 523CF112-3 includes heavy-duty aluminum back draft shutters.
Modak Dairy using Schaefer model 36DFB for holding pen cooling.
