Instructables
Picture of Homemade air filter
My kitchen was being remodeled and the air was dusty while being remodeled so I made this. It may sound stupid but the reason I used a box is so I get more airflow versus just sticking tissues to the front of the fan.


Things you'll need:
A fan (it will be better if it was a tower fan or a centrifugal fan)
A box
Some tissues 
Some tape (okay maybe a lot)
And a cutting tool of any kind
 
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Step 1: Step 1: Cut a hole for the fan

Picture of Step 1: Cut a hole for the fan
Cut a hole for the fan slightly smaller than the fan itself. 

Step 2: Step 2: Cut holes for the tissues

Picture of Step 2: Cut holes for the tissues
Make sure to cut the holes slightly smaller than the tissue. Cut as many holes as possible for the tissues.

Step 3: Step 3: Stick the tissues to the holes

Picture of Step 3: Stick the tissues to the holes
Now stick the tissues to the holes and make sure it is airtight (air should only be passing trough the tissues). Do the same with the other holes.

Step 4: Step 4: Put the box on the fan

Picture of Step 4: Put the box on the fan
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Place the box on the fan and you're done! The thing won't blow much air but it works! I made two versions which is the original one and the centrifugal fan one but I used the same box. The centrifugal fan model works better because axial fans simply doesn't create a lot of pressure.
OWEN10578 (author) 1 year ago
Hi! if you want to make a range hood I suggest to use better filters than tissue papers, I made this cause I want to make a quick filter to filter out dust while the kitchen was remodeled.

Owen
jakobus91 year ago
This is actually very simple but effective for making a quick range hood without having to break a lot of holes in the walls. I'm going to try this one day!
Awesome idea,
simple, but awesome!