Skip to content

Corsi/Rosenthal Box

oldType of Fan

    The Corsi/Rosenthal Box is based on a 20″ x 20″ box fan.  This is because the size perfectly matches with 20″x20″ filters. Some countries have no box fans. Round fans have been used to build the Corsi/Rosenthal Box. 20″ Box… Read More »oldType of Fan