🐟 Dive into clarity with PowkooSponge! Quick sponge cleaning for optimal performance! Connect and bubble away in minutes! Perfect fit for tanks up to 5 gallons! Keep your aquarium pristine and vibrant! Protects baby fish with fine filtration! 3-in-1 filtration 60ppi fine sponge super quiet operation The PowkooSponge Filter is an air-powered sponge filter designed for shrimp tanks and aquariums up to 5 gallons. It combines mechanical and biological filtration, ensuring optimal oxygenation and water clarity. With a 60ppi fine sponge, it protects small fish while effectively trapping debris. Easy to set up and maintain, this filter is perfect for both freshwater and saltwater environments.