brand new and high quality Features: With Biochemical sponge in the filter box,helps to improve water quality. Increase the oxygen solubility,Make the water of fish for tank become for fresh and clear Easy to clean and more convenient to use,It can absorb oil effectively and other pollutants to maintain water quality. A effective tool to keep your aquarium healthy and cleaning. Specifications: Material:Sponge,Plastic Size: Sponge Diameter 7.0cm(2.75in) Sponge Height 7.5cm(2.95in) Box Diameter 7.5cm(2.95in) Box Height 9.1cm(3.58in) Spec:1. Yellow Sponge 2.Bottle with cover 3.Bottle with cover +Sponge Color:as pictures show Quantity: 1 Pc Note: 1.Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1Pc x Sponge Or 1pc Bottle Or Bottle with sponge (No retail package)