Secure container to keep your MarinePure Biofilter Media safe and helps keep sump organized and easier to keep clean. Easy to assemble and it can also be used as a protein skimmer. Stackable, you can stack them together for larger needs and secure storage.

Holds 1 Block, 1 gallon of Marinepure Spheres, 10 to 12 MarinePure PODs, or over 1500 MarinePure GEMS.

Approximate Dimensions:

Internal, 8x8x4”

External, 9x9x5¼”