Lifegard Aquatics 1 1/2" Bio-Mate Bioballs Provides the maximum surface area and the greatest possible mix of air and water! Promotes gas exchange and increases oxygen level Will not clog with organic matter Totally inert and non...
For all biological and mechanical filters where excess debris is needed to be removed thru overflows or sumps.
Size: 24" x 15"
360 sq inches.