These can be hard to find quickly with the conditions however.
Box fan air filter hack.
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.
Point that in the right direction and then tape onto the front of the box fan filter.
Start off by unpacking the fan and making sure that it works.
The diy box fan filter was able to drop pm2 5 particulates down 77 the hepa filter dropped the pm10 down 94 46.
You want the fan to pull in dirty air and push out clean air.
Air filters should be used in your bedroom or in the.
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.
20 inch box fan.
Fan 20 x 20 box fan any model and manufacturer filters depends on your needs and research findings.
This set up was done in 2 rooms.
20 by 20 by 1 merv 13 furnace filter.
Purchase a standard 20 box fan.
Securely fasten a merv 13 filter to the air intake side of the fan.
These filters sell for about 15 at your local hardware store.
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.
I used large rubber bands.
One with the box fan and one with the hepa filter.
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.
If you are in the area you may find an air filtration system will help keep your interior space clear.
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.
You should do the same if you try this hack.
The air flow arrow on the filter needs to be pointing to the fan.
Experts recommend buying what s called a merv 13 or fpr 10 furnace filter and tape it to the back of a box fan.
Building the box fan air purifier.
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.
Some have wondered whether we should tape it onto the back of the box fan filter.
Mine cost 20 at a local home improvement store.
Apply gasketing to the edges of the air intake part of the 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.