The suction from the fan should also make the filter stick to.
Box fan hepa filter diy.
Want to breathe cleaner air in your home.
Using our lighthouse 3016 iaq laser particle counter air samples were collected for 2 minutes with a 2 min delay.
And no box fan is engineered to withstand the extra workload of driving air through a dense filter so we can t claim this won t damage the fan s motor and we wouldn t consider it a long.
20 inch box fan.
20 by 20 by 1 merv 13 furnace filter.
These can be hard to find quickly with the conditions however.
10 furnace filter and tape it to the back of a box fan.
For some of us allergens are our worst enemy the fresh pollen of spring fall foliage and of course the ever present dust.
But a quick solution as posted by the university of michigan s medical center is to create your own filter using a box fan and a standard hepa filter both readily available in most hardware stores and costing about 25 for everything.
Give this inexpensive diy air filter a try.
One with the box fan and one with the hepa filter.
This set up was done in 2 rooms.
Click show more air filters.
The diy box fan filter was able to drop pm2 5 particulates down 77 the hepa filter dropped the pm10 down 94 46.
Your total cost for a diy box fan filter can be as low as 40 50 00 including incidentals like duct tape or higher depending on the filter options.
There will be a little arrow on the filter showing which way the air should flow.
Keeping your windows and doors closed and using an indoor high efficiency hepa filter can help keep indoor air as clean as possible.
Some have wondered whether we should tape it onto the back of the box fan filter.
Point that in the right direction and then tape onto the front of the box fan filter.
Insofar as filter changing costs you will find that it is still much cheaper to buy furnace filters and variants of them without sacrificing on quality or air cleaning capacity.
The filters sell for about 15.