Moss Ball Filter Plastic Half Ball Moss Holder Fish Tank Decorative Ball

Feature: 1. Can be used as grass cultivation platform or filling filter for water purification. 2. Create a unique environment for your aquarium. 3. It has large surface and can attach big buzz of nitrifying bacteria. 4. Easy for installation and removal, great for DIY. 5. Organic ball that is made of clear plastic is hollow ball. Specification: material: plastic Size: about 5x3cm 1.96x1.18 in note: 1. Can create different shapes, can form a ball, float in the water. 2. The product does not contain water, thank you for your understanding.. Package List: 1x float ball 1x fishing line 2x sinke