Fluval U1 Internal Filter Offering outstanding 3-stage filtration, increased water movement and vital aeration, Fluval U-Series internal filters are the perfect solution where external filtration is not possible. Now with new and improved design...

Fluval U Series - Suction Cups  Easy to Replace Replace as needed We recommend using only genuine Fluval spare parts in their filters

Fluval U Series - Clean & Clear Cartridge 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. Suitable for all U-Series...

Fluval U1/2/3 Internal Filter Impeller Shaft 1 per pack Easy to replace Genuine Fluval spare part We recommend using only genuine Fluval spare parts in their filters

Fluval U1 Internal Filter Impeller Assembly 1 per pack Easy to replace Genuine Fluval spare part We recommend using only genuine Fluval spare parts in their filters

Fluval U1 - Internal Filter Motor Unit 1 per pack Easy to replace Genuine Fluval spare part We recommend using only genuine Fluval spare parts in their filters

Fluval U1 - Foam Pad The Fluval® Foam Pad captures large particles and debris for effective mechanical filtration, the crucial first stage in the filtration process. Custom-sized, it fits perfectly inside the filter chamber to prevent debris bypass...