2 ms·
Make a cube out of 4 MERV 13 filters and a box fan on top and the cardboard the box fan came in on the bottom and secure it with duct tape. That'll help reduce
by lamontcg 3y ago
Make a cube out of 4 MERV 13 filters and a box fan on top and the cardboard the box fan came in on the bottom and secure it with duct tape. That'll help reduce the load on the box fan and push more air through more filters.