The Xinyou Sponge Filter is a product for filtering out impurities in water. It is made from natural sponge, and features a large surface area to maximize contact with water. The Xinyou Sponge Filter is great for use in aquariums, water gardens, and hydroponic systems. The Xinyou Sponge Filter is a product for filtering out impurities in water. It is made from natural sponge, and features a large surface area to maximize contact with water. The Xinyou Sponge Filter is great for use in aquariums, water gardens, and hydroponic systems.
