The Seachem Tidal Filter Foam is a high-quality foam insert designed for use with all Seachem Tidal hang-on-back filters. It provides efficient mechanical filtration by trapping large debris, uneaten food, plant matter, and fish waste before they can reach the biological media, helping to maintain water clarity and prolong the life of other filter components. Each package includes 2 foam inserts specifically tailored to fit Tidal filter models. The pads are easy to insert, remove, and rinse. They are reusable and perfect for regular filter maintenance. The porous structure also offers a large surface area for beneficial bacteria colonization, contributing to the biological stability of your aquarium. Whether as a replacement, an additional insert, or part of your maintenance routine, the Seachem Tidal Filter Foam is an essential accessory for every Tidal filter owner.Seachem Tidal Filter Sponge+ compatible with Seachem Tidal filters (various models)+ includes 2 pieces per pack+ effecti