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Rainbow BioBlox Filter Media

Description

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.