Poly-Flo BioBlox

Poly-Flo BioBlox

  • 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 3 FB-2 Media Bags
  • One cubic foot per box
Shipping:$12.43
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