CNZ BBS300 1" Bio-Ball Filter Media for Aquarium Fish Pond Waterfall Fountain, 300-Count

These plastic bio-balls are a great media for use in all types of filters. can be used as a loose media or in mesh bags for easy removing and cleaning. Includes a free mesh bag. This product will not compact like other soft media and reduces channeling of water around media. The CNZ Bio Balls biological filter media provides an excellent source of secondary filtration media to harbor beneficial bacteria and keep your pond healthy, balanced and clear. BioBalls are a lighter and more effective solution to biological filtration than traditional porous stone. The bio ball conforms to the shape of your filter box, are easy to clean and last forever.

• Includes a free mesh bag
• Will not compact like other soft media, reduces channeling of water around media
• 1 Inch in diameter, black, approximately 300 per bag
• These plastic bio-balls are a great media for use in all types of filters
• Weight: 840g Dimension: approximately 10" x 9" x 3.5" (flat)