These are similar if what you are talking about is what I think you are:

https://www.amazon.com/Monitor-Stand-Riser-Adjustable-Ergonomic/dp/B07H4DMLVH/ref=asc_df_B07H4DMLVH/?tag=hyprod-20&linkCode=df0&hvadid=242008367199&hvpos=&hvnetw=g&hvrand=12486979798450660121&hvpone=&hvptwo=&hvqmt=&hvdev=m&hvdvcmdl=&hvlocint=&hvlocphy=9016823&hvtargid=pla-575718564223&psc=1&region_id=972485

Suggest something like this if your cat decides to take over the place and you need top exhaust lol.