How to Build a Kreisel Tank

I need to raise invertebrate larvae for my research. I think a Kreisel tank is the best way to do it. Larvae are fragile like jellyfish and need to be kept out of the filters.

My professor agrees, but Kreisel tanks are really expensive, so we are hoping to build one for our lab. I have not found any great DIY videos.

Have any of you built Kreisel tanks or do know of good online tutorials for doing so?