Uxcell Aquarium Fish Tank Bio Sponge Filter Double Sponge, Black Product Name : Bio-Sponge Filter; Material : Plastic, bio-sponge Model : XY-2831; Product Dimension : 13.5x 4.7x 14.7cm/5.31" x 1.85" x 5.79" (L*W*T) Sponge Dimension : 4.7x 7.8cm/1.85 x 3.07 (D*H) Weight : 39.5g Package Content : 1 x Bio-Sponge Filter