Fluval U4 Filter

Fluval U4 Underwater internal filter

For aquariums 130-240 L (29-53 UK gallons)

• 3 stage filtration with BIOMAX for superior water quality
• Adjustable 3-way flow
• Simple to use

Fluval Underwater Filters with 3 stage filtration are ideal for use in freshwater, marine or reptile environments. Stage 1 foam removes large particles. Stage 2 poly/carbon cartridge traps fine debris, improves water clarity and removes impurities. Stage 3 BIOMAX provides optimal biological filtration efficiency.