BUILD DIY AIR PURIFIER USING COMMON BOX FAN AND PLEATED FILTERS

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Are you concerned with your indoor air quality? We will show you how to make your own air purifier using a common 20" box fan and a pleated filter. We use 20x20x2 MERV 13 pleated filters to make a very efficient and powerful air cleaner for less than $50!

Discount Filters

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*Works great with **Fastly.Cool**, exactly as described. Love the fact that it can push, pull, or exchange air with the push of a button. The remote is a nice bonus too!*

ИванБалан-ир

Another thing to keep in mind when taping up the 4 filter version, alternate the corners so that each side is the width of one filter plus the thickness of one more. Otherwise you'll end up with a rectangle that doesn't quite fit instead of a square. It works great. Another option to consider is to put the cardboard where the bottom of the fan will be so that it can be used with the handle on top sitting blowing sideways instead of up. Good concise video. I should have checked your website before I bought my filters.

gregworrel

At 2:15 shows the arrow for airflow going from the fan exiting thru the filter however the tissue is sucked into the filter. The filter is backwards

dilbertblue

awesome. I usually just tape one filter to the back of the box fan but i will try building a bigger one now. I spray each new filter with endust which traps the dust more effectively.

j.jester

Thanks for the info and Greg Worrel's suggestion. One minor note: At 2:12 or so into the video, it looks like the tissue is being sucked toward the fan, while the recommended airflow would seem to blow it away from the fan.

jugglinggrandpa

At what speed are you running the fan?

karnivor

Thanks for the vid. Helpful during the wildfire season 💨

andrewn

Can i ask why it wouldnt be better to reverse the flow? I'd like to know the difference in airflow between blowing into the box and pulling through.

chadk

Thanks for the video! I made a single filter fan and it works like a champ. A way less expensive option than large air purifiers.

scottyrocket

Is this filter good for 1 year or only 3 months before a changing?

docwhoth

If you don't want the air blowing UP can you have the fan draw air DOWN through the filters? Would this change efficiency?

macbethdt

Welp, thank the lord for this video this week...

CCNYMacGuy

Hard to find a box fan that's QUIET. I want to make one for my room as I have a few sheddings cats and dogs and want to building my computer in a clean environment.

gamesturbator