The Laguna PowerFlo Foam Insert Mechanical Filter Media is specifically designed to fit inside the Laguna PowerFlo 4500 External Biological Pond Filter (Mfg# PT510). Foam insert features coarse and porous material ideal for performing mechanical filtration as well as some degree of biological filtration. Together with the biological filter media inside the Laguna PowerFlo Filter, the Foam insert help ensure clean, clear and healthy pond water for pond inhabitants.
Laguna PowerFlo Foam Insert Mechanical Filter Media (Mfg# PT555) measures 12" x 14" x 1-1/2" thick. Replace yearly to enjoy the best performance from your Laguna PowerFlo 4500 External Biological Pond Filter.
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