Supports denitrifying bacteria
Extreme surface area
No need to replace ever

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 5.59 inch
Height : 3.94 inch
Length : 9.37 inch

Item Weight: 1 pounds (View shipping rates and policies)
Shipping Weight: 1.9 pounds (View shipping rates and policies)

ASIN : B0002A5VIO