Penn-Plax Replacement Filter Cartridge-Bt1 Aquarium

• Made to precisely fit the filter used with the BT1 aquarium from Penn Plax
• No need to cut or combine other filter media, this is the correct replacement cartridge for the Nu Wave Betta Tank Aquarium Kit
• Ready-to-use; Easy Install. For best results replace cartridge every 6-8 weeks

Description Product Description The replacement filter cartridges for the BT1 Betta Tank available on Amazon from Penn Plax. These cartridges have been specifically designed to fit the filter used in the BT1 aquarium, so all you need to do is switch out the old one and replace it with one of these. Penn-Plax, manufacturer & distributor of top Pet Supplies. 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. Directions Remove from packaging. Box Contains Aquarium Filter Accessories