How to Build a Basic Air Purifier
Place a large box fan in the middle of the room.. Grab a Merv 13 HEPA filter to place in front of your box fan.. Tape the filter to the front of the box fan.
Steps
1
Place a large box fan in the middle of the room.
Place a large box fan in the middle of the room.
2
Grab a Merv 13 HEPA filter to place in front of your box fan.
Grab a Merv 13 HEPA filter to place in front of your box fan.
3
Tape the filter to the front of the box fan.
Tape the filter to the front of the box fan.
4
Check that all the windows and doors in the room are closed.
Check that all the windows and doors in the room are closed.
5
Turn the fan on for 35 minutes.
Turn the fan on for 35 minutes.
6
Use the fan in 35-minute increments so it doesn't overheat.
Use the fan in 35-minute increments so it doesn't overheat.
7
Replace your fan filter once every 3 months.
Replace your fan filter once every 3 months.
8
Don't use the filter overnight or when you're away.
Don't use the filter overnight or when you're away.
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