EasyPro Bio-Balls Biological Filter Media Size:1 Cubic Foot (~600 Count) It works in conjunction with

It works in conjunction with Bio-Pure Formula F-50

making it cost-effective

the drain can be easily moved to a more shallow part of the pond leaving the warmer water in the lower parts of the pond undisturbed where the fish collect in colder temperatures

This replacement Bio-Balls media fits all sizes of Pondmaster® Clearguard™ pressure filters: the Clearguard 2700 (#05610 / #05615)

If you have a bottom drain

EasyPro Bio-Balls Biological Filter Media Size:1 Cubic Foot (~600 Count) It works in conjunction withEasyPro 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)