The A|Flux: 12 is designed to recycle all of the air in a 20′ x 20′ x 8′ space up to 22 times per hour at its highest speed. It includes one (1) outer washable electrostatic filter with an inner filter that captures all particles larger than 1 micron ensuring clean air output. The unit is equipped with a 1/5 HP, 60 Hz Laguna SUPMX-810650 A|Flux: 12 Air Filtration System [MADE TO ORDER]