Air filters should be used in your bedroom or in the.
Box fan air filter hack.
This graph from puget sound clean air agency shows the reduction of black carbon in a 14 x 14 room after turning on a homemade air filter.
There will be a little arrow on the filter showing which way the air should flow.
In the absence of other air purifiers you can create your own air filter for less than 20 by using a box fan laying around your house an air filter and some heavy tape via public health seattle king county.
These can be hard to find quickly with the conditions however.
These filters sell for about 15 at your local hardware store.
Some have wondered whether we should tape it onto the back of the box fan filter.
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.
Start off by unpacking the fan and making sure that it works.
Fan 20 x 20 box fan any model and manufacturer filters depends on your needs and research findings.
You should do the same if you try this hack.
Building the box fan air purifier.
Apply gasketing to the edges of the air intake part of the fan.
Using our lighthouse 3016 iaq laser particle counter air samples were collected for 2 minutes with a 2 min delay.
Remember to place the filter behind the fan and use tape to secure it.
You can tape the filter to the fan.
If you are in the area you may find an air filtration system will help keep your interior space clear.
The air flow arrow on the filter needs to be pointing to the fan.
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.
Mine cost 20 at a local home improvement store.
Experts recommend buying what s called a merv 13 or fpr 10 furnace filter and tape it to the back of a box fan.
The trick involves placing a filter in front of a box fan to catch any pollution and smoke particles circulating throughout the house according to a video posted by youtube user thriftstore hacker.
You want the fan to pull in dirty air and push out clean air.
One with the box fan and one with the hepa filter.
Point that in the right direction and then tape onto the front of the box fan filter.
The diy box fan filter was able to drop pm2 5 particulates down 77 the hepa filter dropped the pm10 down 94 46.
Securely fasten a merv 13 filter to the air intake side of the fan.
This set up was done in 2 rooms.
This article is based on the 3m merv 12 20 x 20 pleated filter and the web absorber cut to fit 20 x 25 filter.
The hack is easy.
20 by 20 by 1 merv 13 furnace filter.
