Using our lighthouse 3016 iaq laser particle counter air samples were collected for 2 minutes with a 2 min delay.
Box fan hepa filter diy.
Give this inexpensive diy air filter a try.
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.
Make a hepa air filter out of a box fan and hepa furnace filter.
Click show more air filters.
10 furnace filter and tape it to the back of a box fan.
20 by 20 by 1 merv 13 furnace filter.
There will be a little arrow on the filter showing which way the air should flow.
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.
The diy box fan filter was able to drop pm2 5 particulates down 77 the hepa filter dropped the pm10 down 94 46.
This set up was done in 2 rooms.
20 inch box fan.
Point that in the right direction and then tape onto the front of the box fan filter.
These can be hard to find quickly with the conditions however.
To make one start by buying a merv 13 or fpr 10 furnace filter and tape it to the back of a box fan.
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.
Want to breathe cleaner air in your home.
Some have wondered whether we should tape it onto the back of the box fan filter.
Keeping your windows and doors closed and using an indoor high efficiency hepa filter can help keep indoor air as clean as possible.
The suction from the fan should also make the filter stick to.
For some of us allergens are our worst enemy the fresh pollen of spring fall foliage and of course the ever present dust.
The filters sell for about 15.