/diy/ - Do It Yourself

>>737934
>it adds strain on the motor and could over-heat and start a fire.

It does not add that much strain really. The 2 and 4 filter designs allow for less strain than 1 filter. If you are really concerned, make the kind that is a box (instead of triangle) that uses 4 filters. The more square area of filter there is, the less strain on the motor there will be. Another 4-filter design uses two triangles side by side that makes it look like the letter M or W, like this image some anon made from the last thread.

>>737897
>will this work with one filter?

Yes, but read the above text in this post for why it is better to use more than one.

>>599274
How about a W or M shape so you can use 4 filters? That would lessen the load on the fan and increase the flow. Kind of like this.