Floating beads can be deployed as replacements in most bead filters or used in your own designs.
3-4 mm floating polyethylene beads which are OEM and typical for the Bubble Bead, Aquadyne and other filtration systems. Sold here by the cubic foot.
Folks, if you bust this bag crossing the driveway, you will NEVER get all these up. So be careful! A handful of these on a solid concrete or tile floor and you will not be able to keep your feet.