XINYOU XY-2837/XY-2838 Bio Sponge Filter – Durable & Efficient Aquarium Filtration
High-density coarse sponge structure ensures superior mechanical and biological filtration, trapping debris while fostering beneficial bacteria growth. Precision-engineered 20x15cm size fits most freshwater and marine tanks, ideal for shrimp breeding, betta tanks, or hospital/quarantine setups. Reinforced PVC skeleton with seamless stitching prevents tearing, maintaining long-term durability even with frequent rinsing. Dual-layer design (XY-2837/XY-2838 variants) offers customizable flow rates—low for delicate species, high for heavily stocked tanks. Non-toxic, BPA-free materials ensure 100% aquatic safety, compatible with air pumps or powerheads for silent operation. Bulk wholesale pricing available—stock up for commercial hatcheries, pet stores, or large-scale aquarium maintenance.