Eachine Aquarium Replace Biological Filter Build-In Filtration Cotton

Feature: 1.Use as reserving and replacing cotton core for the Filter. 2.Special weaving net design could evenly adsorb waste. 3.The filter cotton core has micropore and mesopore, and will be sent out randomly. 4.Improve the water quality. To keep the water clean, reduce the death rate of fish. Using Description: 1.The product is use for physical filtration. 2.The product is recycling using, should be cleaned when it gets dirty. Don't strongly scrub by hand. We advice you to directly rinse it. Description: Name: Aquarium Replace Biological Filter Build-In Filtration Cotton Color: Yellow Material: Biochemical Cotton Size: Height: 7.5cm Diameter: 6.8cm Quantity: 1 Pcs Package Include: 1 x Aquarium Build-In Filtration Cotton Note: 1.Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understand. Make sure you don't mind before you bid. 2. Please allow 1-5mm differences due to manual measurement.