Perfect for Various Filter Media: Universal size aquarium filter media bags with zipper, suitable for holding activated carbon; ceramic rings; bio balls; zeolites; filter rocks, crushed corals and other filter media, fill the aquarium with filter media to keep the aquarium clean

Universal Filter Bags: You will receive ten aquarium filter media bags, five each in black and white, 20 cm long and 15 cm wide. Media bags for aquarium have a large opening for ample capacity, and a zipper design for easy filling and replacement of media and sealing of the bag without leaking the filter media. The ten mesh filter bags easily meet your daily needs and are often used to hold media in freshwater and saltwater aquariums

Filtration Uses: Mesh filter bags are ideal for freshwater and saltwater aquariums, various filters and ponds, filters include tank filters and power filters,universally applicable

Fine Mesh and Long-Lasting: The aquarium filter media bags surface is a coarse mesh of 2x4 mm, perfect for small filter media or larger filter media such as activated carbon; ceramic rings and volcanic rocks. Water can flow smoothly. The mesh filter bags is made of polyester and triple-stitched, which is durable and reusable

Other Uses: Media bags for aquarium can not only be used for aquarium filtration, but can also be used as storage bags to hold some small daily necessities and simply store items