Corsi-Rosenthal Box Classroom STEM Kit

Kit includes: 8 - 20X20X2 MERV 13 Filters, heavy-duty tape and HOTKREM Air Quality monitor. (Box fans not included) Make Corsi-Rosenthal Boxes in the classroom. This is a proven way to teach about indoor air quality. Kit comes with filters, tape, particle monitor and complete instructions and lesson plans.