Box Fan Furnace Filter Air Purifier

Pollentec box fan air filter effective filtering screen for pollen dust mold spores and pet dander reusable washable design compatible with lasko models b20200 2301 3733 made in usa 3 5 out of 5 stars 257.

Box fan furnace filter air purifier.

To get started all you need are a 20 inch box fan and a 20x20x1 furnace filter merv 13 or higher. I taped a 20 by 20 inch honeywell fpr 9 filter to a lasko 20 inch. Once you have your materials place the filter in front of the fan with the airflow direction. On the other hand a brand new box fan costs about 20 00.

If you want to filter out the most things you should be looking for a merv 11 filtration rating or higher. That sticking a furnace hvac filter on a standard box fan produces a useful diy air purifier. Conventional air filters will cost a minimum of 60 00 off the shelf for a relatively small unit. As the fires continue to burn the smoke has collected throughout the san joaquin basin slowly feeding its way out over the san francisco bay area.

Build an affordable air purifier with a box fan and hepa filter california is still reeling from devastating wildfires that have tragically claimed many lives and thousands of homes. The fan in the window also positively pressurizes the indoor space so that contaminants are pushed out preferably through another window. The filters sell for about 15. All you need to make this is the correct filter a box fan and tape.

The most important thing is to make sure that you buy the right filter. All you need to do is buy what s called a merv 13 or fpr 10 furnace filter and tape it to the back of a box fan. I decided to go with the hospital grade merv 13 furnace filter. As you can see in his video demonstration terrell tapes a 20 by 20 inch whole house air filter merv 13 or higher which sells for 15 over a 20 inch square box fan which you can find for.

The box fan with the merv 13 can filter the air before it enters the space thereby reducing allergens and other pollutants found in outdoor air.