Pack of 10 aquarium filter bags with high-flow fine mesh zipper - Reusable bags for activated carbon, biospheres (10 pieces, black)

【Durable Material】The filter bag is made of corrosion-resistant polyester, completely safe for fish. The mesh won't clog with air bubbles, and it has no particular odor. It is unaffected by bleach, caustic soda, or acid, improving water quality and extending the filter media's lifespan and efficiency.

【Thoughtful Design】The plastic zipper is safer for filter media, reusable, and ideal for long-term use. Unlike metal zippers, which can easily rust and pollute your water, this bag optimizes your filter to meet the needs of your aquarium or pond and the fish and livestock you keep.

【Size】The aquarium filter bag measures 20 x 15 cm / 7.9 x 6 inches, and the mesh hole diameter is approximately 1 mm.

The ultra-fine mesh design is perfect for use with activated carbon, peat fiber, granules, bio-balls, zeolite, pellets, gravel, ceramic rings, ammonia dissolver, or any other aquarium filter media. 【Cultivate an Ecological Water Environment】Place extra-fine mesh bags with a zipper closure filled with your choice of media in running water. Helps create a high-quality living environment for your pet. Purified water quality, rapid probiotic growth, restoring the high-quality water source found in nature. Your fish farm needs a good water source and proper management. 【Package Includes】The package comes with 10 filter bags and a zipper closure. It can be tightened to prevent loose media from potentially damaging your water pump or the motor of your electric filter, allowing you to fill or empty the bags.