Jeff Samsonow on Nostr: I like what you're doing here! A pre-made box or frame to drop in filters is a great ...

I like what you're doing here! A pre-made box or frame to drop in filters is a great way to reduce time needed to put together a full Corsi-Rosenthal. I've tried similar things with a fan+filter combo in windows (to varying levels of success, but it was still easier than building a full box).