Chemi Bags ? Durable Nylon Filter Bags for Granular Media Overview Chemi Bags are high-quality, triple-stitched nylon filter bags designed for use with various granular filter media. Whether you're using phosphate, ammonia, nitrate, silicate removers, or activated carbon, these durable bags provide an efficient and convenient way to optimize your filtration system. Key Features Triple-Stitched Durability ? Ensures long-lasting use and prevents tearing. Universal Compatibility ? Works with most filtration systems. Versatile Use ? Ideal for phosphate, ammonia, nitrate, and silicate removers, as well as activated carbon. Easy to Use ? Comes with secure nylon ties for hassle-free media containment. Product Specifications Quantity: 2 filter bags per pack Size: Approximately 4.5? x 9? (fits most filtration systems) Includes: (2) nylon ties for secure closure Product Code: CB ? Chemi Bags 4.5? x 9? (2-pack) Chemi Bags provide a reliable and effective way to customize your aquarium filtration system while ensuring clean and clear water!