42mm Bio Balls 100pcs, Used to Promote Gas Exchange and Increase Oxygen Levels, Use in Wet or Dry Filters to Improve Filtration
Bio Balls, Used to Promote Gas Exchange and Increase Oxygen Levels, Use in Wet or Dry Filters to Improve Filtration
32mm Bio Balls 200pcs, Used to Promote Gas Exchange and Increase Oxygen Levels, Use in Wet or Dry Filters to Improve Filtration
Seachem The Bag™ is an innovative welded filter bag with a durable non-stitched seam. It has a 180 micron mesh, is resistant to bleach, caustics, and acids, and comes with a convenient resealable locking closure