Hagen Fluval U3 Underwater Filter

• Fluval® U Series Underwater Filters provide complete and efficient 3-stage filtration, including BIOMAX biological filtering (U2, U3 and U4 models), to create superior aquarium water quality
• The complete line, includes many practical and versatile features that make them ideal for application in fresh, marine and reptile environments
• Fluval® U Filters also include a convenient flip-top lid that allows quick and easy access to the filter cartridge for maintenance or replacement
• Designed for aquariums up to 40 US Gal (150 L)
• Output: 155 US GAL (600 L)