Pond Filter Bio-Balls
These plastic Pond Filter 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
- Available in 1/3, 1 or 4.5 cubic foot boxes