Fish Tank Filter Material, Filter Material Box Accessories, Complete Set Of Fish Tank Housing Ring, Volcanic Stone, Activated Carbon, Built-in Features: The combined use of pumps can increase the oxygen level in the water, achieve oxygenation and dual biological filtration, and keep the water clean. Size: 10X10X5CM Color: white Material: Plastic Product Description: Package Content: 1PC Mini strainer Note: Due to manual measurement, please allow measurement deviation of 1-2cm. Due to differences between monitors, the picture may not reflect the actual colors of the item. Thank you! kitchen:Fish tank filter material filter box accessories a complete list of fish pond house ring volcanic stone activated carbon built-in B Increase Efficiency:Good kitchen appliances can help you accomplish your cooking tasks more efficiently.For example, and blenders can reduce cooking time,ovens can cook food faster,and rice cookers can save a lot of time cooking Durable:Kitchenware is carefully crafted for durable quality that can easily withstand daily use Safety:In terms of product quality, we have been using a high standard system to constrain each production process,to ensure that the kitchenware are quality and standards Details & Guarantee:Upgraded details and color matching.We focus on buyer experience and offer 761% service guarantee.If you are interested in our products,please feel free to contact us