BioBlox Filter media has an ultra high surface area media that is created from a variety of different filter thicknesses and densities.
Bio-Blox is a loose fill media that is inexpensive and ideal for filling large filters.
Approximately 525 sq. ft. of surface area per cubic foot.
Features:
* More than 500 sq ft of surface area per one cubic foot box!
* Less expensive alternative to other types of filter media.
* Can be used in virtually any biological filter.
* One box will fill three 12" x 18" media bags.
Lowest prices online. Everyday. Guaranteed.
110% Best-Price Guarantee plus fast shipping nationwide!