To make one start by buying a merv 13 or fpr 10 furnace filter and tape it to the back of a box fan.
Diy box fan shop air filter.
20 inch box fan.
20 by 20 by 1 merv 13 furnace filter.
Give this inexpensive diy air filter a try.
Want to breathe cleaner air in your home.
There will be a little arrow on the filter showing which way the air should flow.
Not only would it clean the air but it would also help to keep the shop itself cleaner by catching the dust before it settles.
This is what i came up with.
Some have wondered whether we should tape it onto the back of the box fan filter.
Click show more air filters.
Richard s channel the sawdust maker https www youtub.
This diy air filter is made from a 20 inch box fan plywood and two 20 inch air filters.
This diy air filter for wildfire smoke is less than 20.
The filters sell for about 15.
Insofar as filter changing costs you will find that it is still much cheaper to buy furnace filters and variants of them without sacrificing on quality or air cleaning capacity.
So anything we can do to remove dust and particulates from the air is a step in the right direction.
The easiest way to make a low cost air cleaner is to just use a cheap box fan with a furnace air filter attached in some way to the inlet side.
Yes it can using scrap plywood.
Can the best diy air cleaner and dust filter be made even better.
After coughing up a lung i decided to hurry up and make a diy shop air cleaner before my lungs get caked with sawdust.
But if you have an air quality emergency on your hands regional wildfires or your charred dinner under the broiler and you have a box fan tape the right sort of filter and no time to get.