Feature: 1. COMPACT DESIGN: Mini aquarium sponge filter is small and portable, easy to install and takes up less space in the aquarium. 2. INCREASE OXYGEN: Filter bubble stone can increase the oxygen content in the water and improve the quality of the water body. 3. CIRCULATION FILTRATION: Small fish tank sponge filter can circulate and filter the water, reduce the waste of water. 4. FILTER SPONGE: Mini aquarium air pump filter has excellent filter sponge, good filtration effect and effective maintenance of water quality. 5. EASY TO REPLACE: Aquarium sponge filter has a simple structure, easy to disassemble and repair, and replace the filter sponge quickly. Specification: Item Type: Mini Aquarium Sponge Filter Material: Plastic, Sponge. Package List: 1 x Filter Sponge1 x Filter
