Atlantic Water Gardens Bio-Rocks Filter Media Size:0.50 Cubic Feet Alpine Stream Pumps are ideal

Alpine Stream Pumps are ideal for use in large concrete statuary

and ages like real stone

It is durable enough to be hauled in a truck

Split-lid provides a convenient inspection point for the system

from handling Koi to skimming leaves or algae

Atlantic Water Gardens Bio-Rocks Filter Media Size:0.50 Cubic Feet Alpine Stream Pumps are idealAtlantic Water Gardens Bio Rocks filter media are an effective, lightweight biological media. With all the surface area but 25% less weight than lava rock and half the weight of gravel, expanded clay Bio Rocks are the more stable, less abrasive alternative to heavyweight bio media! Comes with a 5 year warranty. SKU UPC Code Description BB0500 727429001103 Bio Rocks, 0. 50 cubic feet Bulk size ships by truck freight, which requires that you be present