Aquarium filter cotton for fish keepers who want a practical way to support routine tank filtration. The sheet works as an aquarium filter sponge pad and can be trimmed for medium fish tanks or suitable filter compartments. Use it in freshwater aquarium setups, fish tank filter housings, or other compatible filtration spaces where a flexible pad is needed. The cuttable format helps create a closer fit around the filter area. The layered cotton material provides a larger surface for catching visible debris than using a single thin sheet. It can serve as cotton for aquarium filter maintenance or as cotton for fish tank filter replacement, depending on the filter design. Trim the pad to the required shape before use. During maintenance, remove trapped debris and rinse the reusable material gently with aquarium water. Replace the pad when it becomes worn or no longer fits securely.

• 3D HONEYCOMB DESIGN AQUARIUM FILTER PAD: Great filteration effect comes from the delicate design. This upgrade water filteration pad ensures both effective filteration and smooth water flowing, helping maintain a clean filter fish tank. Designed with 8 layers of different density filteration material to build up a barrier preventing hazard impurities from entering the water.
• DURABLE AND REUSABLE: Made of durable nano bio sponge filter and fiber bio sponge filter, and then fixed by two layers of ultra high precision cloth, and finally two layers of three-dimensional mesh cloth. High temperature hot melt bonding, non toxic and safe. Washable, not easy to deform and reusable.

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