EasyPro Bio-Balls Biological Filter Media Size:1 Cubic Foot (~600 Count) safely hidden at the bottom

safely hidden at the bottom of the pond -- without the need for weights

and is extremely effective in cooler climates which experience a winter season

Measures 12"W x 8"D x 3

Larger sizes ship by truck freight

Snaps together design makes removing cords quick and easy

EasyPro Bio-Balls Biological Filter Media Size:1 Cubic Foot (~600 Count) safely hidden at the bottomEasyPro 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)