XY-2837/2838 Xinyou Big Sponge Filter for Aquarium Fish Tank
High-density porous sponge ensures superior mechanical and biological filtration, trapping debris while promoting beneficial bacteria growth. Durable PP plastic frame with reinforced structure resists deformation, ideal for long-term underwater use. Extra-large sponge surface area maximizes water flow and oxygen exchange, suitable for tanks up to 100 gallons. Fine-pore design prevents fry or shrimp from being sucked in, perfect for breeding tanks and sensitive species. Low-maintenance design allows easy cleaning without disrupting the tank ecosystem. Silent operation with no moving parts, ideal for bedrooms or offices. Compatible with air pumps (sold separately) for adjustable filtration intensity. Industrial-grade molding ensures seamless edges and uniform pore distribution. Pre-installed weighted base keeps the filter stable in deep or heavily planted tanks. Backed by batch testing for consistent quality control. Wholesale-ready packaging with moisture-resistant cartons, optimized for bulk shipping. Direct factory pricing with no middlemen, offering unmatched value for pet stores or resellers. Customizable order quantities available for large-scale buyers.