ITEM NAME:Aquarium Fish Tank Biochemical Sponge Bio-Filter Oxygen F5S2 Aquarium Fish Tank Biochemical Sponge Bio-Filter Oxygen F5S2 Working noiselessly Good permeability, easy to clean Colour Name: aquarium sponge filter Water inlet hole diameter: Approx. 18mm Package content : 1 x Biochemical filter 2 x Sponge 1 x Suction cup Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
