DescriptionThis professional fish tank filter sponge, made of premium material, is safe and durable. Provide comprehensive filtration for your fish tank and aquarium. Can be cut to get a suitable size to fit your aquarium best. Easy to clean it for repeated use.Feature- Color: White. - Material: Fiber. - Size: 100.00X30.00X2.00cm;/39.30X11.79X0.79in; - The filter sponge adopted premium material, safe for your shrimps, fish, tortoises, etc. - It can help to keep the water clear, suitable for water tank and pond, aquarium. - Effective filtration and increase the oxygen in the fish tank with its strong water permeability. - Can be used repeatedly after easy cleaning, wear resistant and has good filtration ability. - The size is large enough, it also can be easily cut to suitable size to suit you need.