HEPA Filter: What is it? And how does it work?

hepa filter

Particle filters, particularly ones like HEPA, have been garnering a lot of attention in the media since the SARS-CoV-2 (Covid-19) virus started the pandemic. In theory, filtering very small particles is relatively simple: all we need is a sieve with small enough pores to restrict the passage of the particles we wish to block. We […]