500 Pieces Bio Filter Balls Black Bio Balls for Aquarium Filter Pond Filter 1.02 Inch Internal Bioballs Filter Media with 5 Pieces Aquarium Filter Media Bags Mesh Bags with Zipper for Fish Tank Pond

What in Package: you will get 500 pieces of bio balls and 5 pieces of black mesh bag with zipper, sufficient quantity and good combination to meet your use and replacement needs in many occasions; The black bio balls filter media can be applied separately or in a mesh bag
Biochemical Cotton Design and Easy to Use: each bio ball includes biochemical cotton as a filter medium, which is more effective than ordinary filter materials, and can improve the filtering effect; It is simple and convenient to use and does not need to spend time cleaning
Functional Design: the multi sheet structure can provide a larger biochemical surface area for the reproduction and growth of nitrifying unclean items; The porous can divide the flow evenly, slow down the flow of water so that the nitrifying unclean items can better absorb and multiply, and further enhance the filtering efficiency
Long Time Service: our bio ball is composed of high density plastic, lightweight but sturdy enough to keep its shape and does not easy to degrade or wear away; The spherical shape and pore position allow it to compress tightly, the porous design is not easily blocked, which can serve you for a long time
Where to Use: our bio balls filter media can be applied in many occasions, ideal for filter, such as koi and water garden ponds, freshwater fish tanks, salt water aquariums, fish and vegetable symbiosis, fish hatcheries and more

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