Box Fan Air Filter

The filter protects you from large particles sticking to your fan and the further spread of airborne contaminants.

Reviews on quiet cool whole house fan. It is made of a special blend of polyester synthetic media that is designed to be washable and air dried making it good for multiple uses. Point that in the right direction and then tape onto the front of the box fan filter. Box fans is custom sized to fit almost all 20 square box fans.

The ideal fan is a 20 in 20 in 51 cm 51 cm box fan since similarly sized filters are common. Take the back casing off of a box fan. The fan in the window also positively pressurizes the indoor space so that contaminants are pushed out preferably through another window.

See the graph below that shows an example of the filter fan performance. To get started all you need are a 20 inch box fan and a 20x20x1 furnace filter merv 13 or higheronce you have your materials place the filter in front of the fan with the airflow. Some have wondered whether we should tape it onto the back of the box fan filter.

Supplies you need to make your own. We have tested the performance of these filter fans and they dramatically reduce fine particles and black carbon from the air. 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 35 out of 5 stars 257.

There will be a little arrow on the filter showing which way the air should flow. And no box fan is engineered to withstand the extra workload of driving air through a dense filter so we cant claim this wont damage the fans motor and we wouldnt consider it a long. 20 x 20 box fan.

Locate the screws on the back part of the fan and turn them counterclockwise to remove half the case as well as the fans handle if it has one. 20 by 20 by 1 merv 13 furnace filter. 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.

Select a fan you wish to use for your filter.