Aquatic Experts Classic Koi Pond Filter Pad COARSE – Black Bulk Roll Pond Filter Media, Rigid Ultra-Durable Latex Coated Fish Pond Filter Material US, (18" x 36")

EXCLUSIVELY MADE FOR KOI PONDS: Crafted with care, our 1-inch thick filter pads provide exceptional mechanical filtration for crystal-clear water. Plus, they infuse vital oxygen into your ornamental garden pond....