Fiberglass Cone Fans: Bess Labs results show a top performing Multifan 54" fan
Test results at Bess Labs show Vostermans Ventilation has the top performing Multifan Fiberglass Cone Fan 54". The very high efficiency of the aluminum version of the 54" makes this product a top performing fan for the poultry market. The results of the 54" inch with plastic shutter show high air volumes. The plastic version is well suited to use for the pork market due to its high airflow up to 29500 CFM.
Download Bess Labs report 16162