Acoustic FOAM Box FanAcoustic Foam Box Fans Acoustic Foam Box Fans are great for improved airflow, temperature control, and humidity management. These fans are remarkably quiet, reliable, and quick at moving huge volumes of air. Foam Box Fans are lightweight making them easy to move and position. The foam material also greatly absorbs sound resulting in quiet operation, as well as giving a greater resistance to moisture and high humidity environments. High power, high