minus-squaretabularasa@lemmy.catoMildly Interesting@lemmy.world•The filters in my Corsi-Rosenthal Box look after 30 days of continuous use...linkfedilinkarrow-up6·5 days agoI would imagine it blows upwards, so it sucks in air through the filters and blows clean air up. linkfedilink
I would imagine it blows upwards, so it sucks in air through the filters and blows clean air up.