Penn-Plax Cut to Fit Carbon Infused Aquarium Pad

Penn Plax cut to fit Carbon Infused pads are 18 inches x 10 inches carbon-infused filter media pad. This filter removes harmful chemicals, toxins, pollutants, odors, and discolorations while improving water quality and clarity. From the manufacturer: Penn-Plax is a family-owned business that was established in 1956 in Brooklyn, New York. Over the years our goal remains the same: to enhance the pet ownership experience. We specialize in creating excellent pet supplies for animals, both great and small. We're best known for producing pet products at affordable prices. Our brand, Penn-Plax, is synonymous with innovation and quality, keeping your pet foremost in mind.