We didn't have fancy fume hoods like that back in the day. Do you have a link to the device used in that fume hood? I only found this [1] but it doesn't sound l

We didn't have fancy fume hoods like that back in the day. Do you have a link to the device used in that fume hood? I only found this [1] but it doesn't sound like the device you're talking about. [1] https://www.labmanager.com/how-it-works/fume-hood-fire-protection-19112 https://www.labmanager.com/how-it-works/fume-hood-fire-prote...