Environmental protection and safety: effectively avoid residue, reduce fish mortality and chemical filtration, increase oxygen solubility in aquariums and aquariums. Efficient filtration: imitating plant fibers, low water resistance and strong water permeability, effectively filter uneaten food, waste, rotting plants, dirt and other fine particles and fine particles suspended in the water. Durable quality: The fabric is strong, soft and elastic. It can be cleaned repeatedly and used for six months. You can save a lot of money compared to other filter mats. Multi-layer filtration: The filter cotton is divided into three layers, basic filtration → filtration → fine filtration, a dense fiber net at the bottom captures fine particles to create crystal clear water in your aquarium. Wide use: Strong filtration capacity. Reusable after washing. The aquarium filter mat is suitable for seawater tanks, freshwater tanks and aquatic plant tanks. It is durable and practical.