Bio Biological filtration Brick holder for aquarium - Support free

This Bio brick holder is designed by me to require no supports and to allow maximum water flow throughout. I played around with adding a top handle but it wasn't very balanced and took up more vertical height which could be an issue for some sumps, let me know if you want one and i should be able to get it added. These kind of bricks are generally used within sump tanks to allow biological filtration ie give the good bacteria somewhere to live so thjat they can eat the bad stuff, resulting