Aquarium Sponge Filter, 50x50x2cm Thickened High-density Prefilter Sponge Pad, Bio Filter Media Foam Sponges for Aquarium Fish Tank

Stable and Thickened Design: This 20x20x1 inch prefilter sponge features a thickened build that provides enhanced durability and long-lasting performance without frequent replacements Versatile Compatibility: Designed to fit most aquarium fish tanks, this aquarium filter pad works perfectly with various filter systems, making it a versatile choice for hobbyists seeking reliable water filtration Superior Filtration Efficiency: Aquarium Filter Sponge is crafted from high-density cotton, effectively trapping debris and harmful particles to maintain crystal-clear water, ensuring a healthier environment for your aquatic life Easy to Clean and Maintain: The filter foam is simple to rinse and reuse, allowing effortless maintenance while preserving beneficial bacterias colonies for consistent water quality Multipurpose Bio Filter Media: Ideal as a bio filter media pad, it fosters beneficial bacterial growth essential for biological filtration, promoting natural tank balance and reducing harmful ammonia and nitrites