EasyPro Bio-Balls

These plastic Bio-Balls are a great media for use in all types of filters.

Bio-Balls:

These plastic Bio-Balls are a great media for use in all types of filters.

Can be used as a loose media or put in mesh bags for easy removal and cleaning
Will not compact like other soft media, reduces channeling of water around media
1 1/2″ in diameter, black in color