Pics before, and after the demolition! Simply wash on gentle, air dry in 2 minutes!!! The filter, end of the day!

Duel 24inch high velocity fans, in paradise!

Thanks guys, the idea of pre filtering dust at the entry door, has helped eliminate the need for substantial prep, wasted plastic sheeting!

This is what the filter looks like after 1 day of sanding, the fan is a 24" high velocity 4,000cfm motor.