Increase Filtration with a DIY Filtered Box Fan

View full size DIY filtered box fan image and instructions here UPDATED 10/01/20 Air cleaners (also called air purifiers) can be...

Joe Medosch | October 1, 2020
Indoor Air can be more poluted

did you know

Indoor air can be 5x more polluted than outside affecting allergies, asthma, concentration, sleep quality and more.