Unique Bargains Aquarium Fish Tank Cylinder Sponge Filter 5 Gallons

Increases the oxygen solubility in aquarium and fish tank. Dense honeycomb shape makes it effective to avoid and reduce the death rate of fish. Tips: 1. Soak the sponge in the aquarium water for 5 mins before use. 2. Always use aquarium water to rinse and clean the sponge. Do not use hot water. 3. Filter works before connecting with air pump(not include).

Product Name: Aquarium Sponge Filter; Material: Plastic,Sponge PatternName: Up to 5 Gallons/ 40L; Feature: Filteration, Enhanced dissolved oxygen, Low voise. Weight: 91g; Sponge Dimension: 55mm/2.2" Size: 120 x 55mm/ 4.7'' x 2'' ( L x H ); Sponge Height: 48mm/1.9"