Pond Filtration Equipment » Laguna Pond Filters » PowerFlo Biological Add-On Chamber

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PowerFlo Max Biological Underwater Filter

Laguna PowerFlo Biological Add-On Chamber PT-508 allows you to add additional biological filtering capacity to Laguna's PowerFlo and PowerFlo Max Underwater Filters. The add-on chamber expands filtering capacity by approximately 250 US gallons (945 L).

It can be filled with any type of biological filter media including Biospheres, lava rock (pumice), BioMax or Phos X. The chamber snaps on easily.