Fluval U Series Spare Parts
Keep your Fluval U Series internal filter running at peak performance with our complete range of spare parts for U1, U2, U3, and U4 models. These essential components help maintain water clarity, circulation, and biological balance in freshwater and tropical aquariums.
We stock genuine and compatible replacements including impellers, sponge pads, poly/carbon cartridges, bio cartridges, covers, suction cups, and more. Whether you're restoring flow or performing routine maintenance, these parts ensure your Fluval U filter continues to perform reliably.
Each part is designed specifically for the U Series internal filters, making them easy to install and safe for use in tanks with fish, shrimp, or plants.
Need help identifying your model or part? Contact our experienced team for assistance.
Shop online for fast, secure shipping across Australia, or visit our Melbourne store to find the right parts in person.
Fluval U4 Poly/Carbon Cartridge (2pk)
Fluval U4 Poly/Carbon Cartridge (2pk) Features: -Poly/Carbon cartridge -Trap fine debris, improves water quality and removes odour -Specially shaped to fit Fluval U4 filter -60x245x15mm -2pk Directions: The Poly/Carbon filter cartridge features two sides: the Polyester filter pad side filters...
$14.95
Fluval Clean and Clear Cartridge 2 Pack
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 internal...
$19.95
Fluval U2 U3 U4 Biomax 110G
Fluval U2 U3 U4 Biomax 110GFluval BioMax provides an optimal environment for the colonization and growth of beneficial bacteria. The unique bio rings have a complex pore system that provides an optimal environment where beneficial bacteria can thrive. Fluval BioMax...
$12.95
Fluval U4 Foam Pad (2 pk)
Fluval U4 Foam Pad (2 pk) Fluval Foam pads capture large particles and debris for effective mechanical filtration the crucial first stage in the filtration process. Custom fit to prevent bypass they have a pore size that allows efficient water...
$9.95
Fluval U1 Foam Pad
Fluval U1 Foam Pad Fluval Foam pads capture large particles and debris for effective mechanical filtration the crucial first stage in the filtration process. Custom fit to prevent bypass they have a pore size that allows efficient water flow with...
$7.95
Fluval U2 Filter Replacement Impeller
Fluval U2 Filter Replacement Impeller
Replacement impeller to suit the Fluval U2 Internal filter. Genuine replacement part.
Part Number A15233
$14.95
Fluval U2 Foam Pad (2pk)
Fluval U2 Foam Pad (2pk) Fluval Foam pads capture large particles and debris for effective mechanical filtration the crucial first stage in the filtration process. Custom fit to prevent bypass they have a pore size that allows efficient water flow...
$9.95
Fluval U2 Poly/Carbon Cartridge (2pk)
Fluval U2 Poly/Carbon Replacement Filter Cartridge (2pk) Features: Poly/Carbon cartridge Trap fine debris, improves water quality and removes odour Specially shaped to fit Fluval U2 filter 60x85x15mm 2pk Directions: The Poly/Carbon filter cartridge features two sides: the Polyester filter pad...
$12.95
Fluval Flex 2.0 Poly-Carb Filter Cartridges (3-Pack)
Fluval Flex 2.0 Poly-Carb Filter Cartridges (3-Pack) Enhance the filtration efficiency of your Fluval Flex 2.0 aquarium with this 3-pack of Fluval Poly‑Carb Filter Cartridges. Engineered for dual-action filtration, each cartridge combines activated carbon with mechanical filtering to eliminate odors, toxins, and...
$18.95
Fluval U3 Filter Replacement Impeller
Fluval U3 Filter Replacement Impeller
Replacement impeller to suit the Fluval U3 Internal filter. Genuine replacement part.
Part Number A15332
$24.95
Fluval U1 Filter Replacement Impeller
Fluval U1 Filter Replacement Impeller
Replacement impeller to suit the Fluval U1 Internal filter. Genuine replacement part.
Part Number A15133
$13.95
Fluval U4 Filter Replacement Impeller
Fluval U4 Filter Replacement Impeller
Replacement impeller to suit the Fluval U4 Internal filter. Genuine replacement part.
Part Number A15333
$24.95
Fluval U Filter Replacement Suction Cups (3)
Fluval U Filter Replacement Suction Cups (3)
Suction cups to suit the Fluval U1, U2, U3 and U4 Internal filter. Genuine Fluval product
Part Number A15039
$16.95
Fluval U3 Foam Pad (2 pk)
Fluval U3 Foam Pad (2 pk) Fluval Foam pads capture large particles and debris for effective mechanical filtration the crucial first stage in the filtration process. Custom fit to prevent bypass they have a pore size that allows efficient water...
$9.95
Fluval U3 Poly/Carbon Cartridge (2pk)
Fluval U3 Poly/Carbon Cartridge (2pk) Features: Poly/Carbon cartridge Trap fine debris, improves water quality and removes odour Specially shaped to fit Fluval U3 filter 60x195x15mm 2pk Directions: The Poly/Carbon filter cartridge features two sides: the Polyester filter pad side filters...
$13.95
