uxcell 2-Piece Aquarium Biochemical Sponge Filter Set, 5.5-Inch 14cm, Black Aquarium Biochemical Sponge Filter; Material : Plastic, Sponge Use for : Aquarium, Fish Tank; Total Size (w Tube) : 12 x 14cm/4.7" x 5.5" (D *H) Color : Black Weight : 230g 1 x Aquarium Biochemical Sponge Filter,1 x Tube