Box Fan Hepa Filter Diy

These can be hard to find quickly with the conditions however.

Box fan hepa filter diy.

In order to create a flat surface on the front of the fan for the hepa filter you need to remove the cover from the fan. Make sure to keep the fan out of their reach. The cover also has an effect on the air flow. After testing i was impressed by how well the diy box fan was able to remove particulates from the air.

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. 20 inch box fan. This project is so simple and inexpensive. These filter fans can filter out the small particles that are common in wildfire or wood smoke.

There will be a little arrow on the filter showing which way the air should flow. Good for wildfire smoke and dust and things. If you decide that you want a hepa grade merv 13 and above the cost per filter ranges between 12 00 per filter and up depending on where you buy them and the quantity. Luckily a comparable diy solution can be found at your local hardware store.

I taped a 20 by 20 inch honeywell fpr 9 filter to a lasko 20 inch box fan and ran that combo through our standard 35 minute five match test in our 200 square foot new york test space with the. Hepa on the cheap. Watch out though removing the cover will expose the fan blades so if you ve got any small fingers around. 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.

20 by 20 by 1 merv 13 furnace filter. Terrell suggests first buying a twenty inch by twenty inch box fan which usually run around 10 15 unless you are in.