Poly-Bio Marine Poly Filter Pad - 4 x 8

POLY-FILTER is for filtering and purifying both fresh and salt water aquariums. It is a formulation of a special patented material bonded to a synthetic matrix. By means of a unique proprietary process, the POLY-FILTER is made impervious to salt and is also organic loving to certain materials. It can absorb and adsorb contaminants and other toxic materials found in nature or added to fresh and salt water with or without fish and invertebrates.

Polyfilter Chemical Media Pad – Aqua Premium

Fluval Water Polishing Pad