Poly Bio Marine Inc. Poly Bio Marine Poly Filter Pad 4" x 8" Poly Bio Marine Poly Filter Pad 4" x 8"The 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... MSRP: Was: Now: $9.99 Add to Cart
