XINYOU XY-2835 Fish Aquarium Mini Cylinder Soft Sponge Water Filter, Black Product name : sponge water filter; use for : fish aquarium Air inlet diameter: 2mm/0 08";air outlet diameter: 15mm/0 6" Dimension: 5. 5x 7cm/2. 2" x 2. 8" (D*H);Color: Black Weight : 78g Package content : 1 x sponge water filter1 x tube