Fluval Clean & Clear Cartridge fits U1 U2 U3 U4
The Fluval Clean & Clear cartridge is packed with special high performance resins, proven to reduce phosphate and nitrate for a cleaner, clearer aquarium and healthier fish.
Helps keep water beautifully clear
Extends time between water changes
Add to the central Fluval U cartridge alongside the Biomax
Pack of 2
Fits the U1, U2, U3 and U4 Fluval internal fish tank filters