A Variation on the “Box Fan with MERV 13 Filter” Air Cleaner
The “Box Fan with a MERV 13 Filter” air cleaner is an easy-to-assemble, inexpensive and effective way to improve indoor air quality and to reduce exposure to Covid-19. The concept is really simple – attach an effective air filter to a box fan and clean the air. This article gives more details about the construction … Continue reading A Variation on the “Box Fan with MERV 13 Filter” Air Cleaner
Copy and paste this URL into your WordPress site to embed
Copy and paste this code into your site to embed