Portage Area School District builds air filters for classrooms
In an effort to further combat COVID-19 and keep students in the classroom, Portage Area School District superintendent Eric Zelanko purchased enough box fans and filters to make 100 Corsi-Rosenthal Cubes. These inexpensive and effective tools are used to clean the air and have been suggested for use in all classrooms by the Cambria-Somerset COVID-19 [...]