Penn-Plax Cascade Filt-a-Pack Aquarium Canister Filter Media Bag with Bio Rings – 10 Oz – 1-Pack

For crystal clear and balanced water in your aquarium, look no further than the Penn Plax Cascade Nylon Filter with Biological Ceramic Rings. This ready-to-use nylon filter bag is filled with specially designed ceramic rings that provide both mechanical and biological filtration. The surface area and pores of the ceramic rings are perfectly sized to accommodate the bacteria necessary for a healthy biological balance in your tank. These bacteria efficiently remove toxic ammonia and nitrite, helping to create a safe and thriving environment for your aquatic pets. With the Penn Plax Cascade Nylon Filter, you'll enjoy the convenience of a ready-to-use filter bag that easily fits into your Cascade Canister Filter.