20 by 20 by 1 merv 13 furnace filter.
Diy box fan shop air filter.
This is what i came up with.
Can the best diy air cleaner and dust filter be made even better.
Click show more air filters.
This diy air filter for wildfire smoke is less than 20.
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.
The filters sell for about 15.
20 inch box fan.
Give this inexpensive diy air filter a try.
Yes it can using scrap plywood.
To make one start by buying a merv 13 or fpr 10 furnace filter and tape it to the back of a box fan.
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.
It is essentially just a wooden box with a blower motor sucking dirty air through a set of filters and blowing out fresh clean air.
After coughing up a lung i decided to hurry up and make a diy shop air cleaner before my lungs get caked with sawdust.
So anything we can do to remove dust and particulates from the air is a step in the right direction.
There will be a little arrow on the filter showing which way the air should flow.
Point that in the right direction and then tape onto the front of the box fan filter.
Richard s channel the sawdust maker https www youtub.
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.
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.
Want to breathe cleaner air in your home.