The product is a set of three Tetra Whisper Filter Cartridges in size small, with a total of 18 filters ready to use. These filter cartridges are designed for freshwater tanks with a capacity of 1 gallon. Made in China, they are intended for internal filtration within aquariums. The Tétra brand is known for producing reliable and effective aquarium products, making these cartridges a convenient and efficient choice for maintaining clean water in fish tanks.
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