- Enhance your aquarium with the Bio Sponge Filter, designed to provide superior mechanical and biological filtration for your fish. - This effective filtration system helps maintain a clean and healthy environment, ensuring optimal oxygen levels and water clarity. - Easy to set up: simply connect an airline to the unit, attach it to an air pump, and enjoy hassle-free filtration. - Available in two sizes to fit various tank requirements: - Small: Dimensions 3.0"D x 6.5"H, suitable for tanks up to 10 gallons. - Large: Dimensions 4.5"D x 8.0"H, ideal for tanks up to 20 gallons. - Constructed with high-quality materials, the sponge filter is durable and designed for long-lasting performance. - Use scenarios include: - Ideal for new aquarium setups, helping to establish healthy colonies of beneficial bacteria. - Perfect for breeding tanks, providing additional oxygen and maintaining water quality. - A reliable option for hospital tanks, ensuring clean water for stressed or sick fish. - Please verify the size of the sponge filter before purchase to ensure compatibility with your aquarium.