<ul><li>Color: Blue; Package Content: 1 x Biochemical Filter Sponge</li><li>Total Size: 100 x 12 x 2cm / 39" x 4.7" x 0.9"(L x W x T)</li><li>Material: Sponge</li><li>Net Weight: 32g</li><li>Product Name: Biochemical Filter Sponge</li><li>This product is suitable for sea water, fresh water, aquatic plants, and the size can be freely cut.</li><li>The dense pores are soft and suitable for culturing nitrifying .</li><li>Biochemical cotton decomposes excrement and feed residues and improves water quality by filtering and cleaning.Good effect, reducing fish mortality.</li><li>Clean once a month, no blockage, no deformation, can be reused after cleaning.</li></ul>

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