EasyPro Bio-Balls Biological Filter Media Size:1 Cubic Foot (~600 Count) The ADD-5 is recommended for

The ADD-5 is recommended for up to 20 liters of air per minute and the ADD-8 is recommended for up to 35 liters of air per minute

50 cfm / 14 Lpm 2lb AS650 1

ArtesianPRO high-performance pumps will last for years

If you have a bottom drain

EasyPro Bio-Balls Biological Filter Media Size:1 Cubic Foot (~600 Count) The ADD-5 is recommended forEasyPro Bio Balls are a great, plastic biological media that will not compact like other soft media, reduces channeling of water. They can be used in all types of filters, and can be used loose or put in mesh bags for easy removal and cleaning. 1. 5" in diameter Approximately 660 pieces per cubic foot SKU Description BB05 200 Count with Mesh Bag BB15 1 Cubic Foot (Approximately 600 Bio Balls)