Build a DIY air filter
-
Get a 20” x 20” MERV 13 filter and a box fan.
-
Attach the filter to the back of the fan.
-
Seal edges with tape to reduce air leaks.
-
Run the fan during smoke events; do not leave on unattended.
A quick, no-nonsense guide for the people of Spokane
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Build a DIY air filter
Get a 20” x 20” MERV 13 filter and a box fan.
Attach the filter to the back of the fan.
Seal edges with tape to reduce air leaks.
Run the fan during smoke events; do not leave on unattended.