18,000+ Satisfied Customers!
$9.86 Flat Rate Shipping
$175+ Free Economy Shipping

Available Parts List Found Below Diagram!

Fluval U3 Parts

Fluval U3 Stage 1 Replacement Foam Filter Pad 2 Pack
Retail Price: $14.99
Our Low Price: $8.71
Availability: In Stock
A-487
Fluval U3 Stage 2 Replacement Poly / Carbon Cartridge 2 Pack
Retail Price: $12.59
Our Low Price: $9.44
Availability: In Stock
A-491
Fluval U3 Stage 2 Replacement Poly / Clearmax Algae Reducing Cartridge 2 Pack
Retail Price: $14.99
Our Low Price: $10.84
Availability: In Stock
A-482
Fluval U2 U3 and U4 Biomax Ceramic Biological Filtration Media 6oz
Retail Price: $11.99
Our Low Price: $9.31
Availability: In Stock
A-495
Fluval U3 Replacement Plastic Biomax Cartridge / Holder Only - No Biomax
Retail Price: $17.99
Our Low Price: $10.66
Availability: In Stock
A-15307
Fluval U3 Replacement Foam Filter Cartridge Frame Only - No Foam
Retail Price: $16.99
Our Low Price: $11.34
Availability: In Stock
A-15319
Fluval U3 Replacement Plastic Filter Body
Retail Price: $40.99
Our Low Price: $31.16
Availability: In Stock
A-15309
Fluval U2 And U3 Replacement Plastic Flip Top Filter Cover
Retail Price: $14.99
Our Low Price: $9.82
Availability: In Stock
A-15210
Fluval U1 U2 U3 & U4 Replacement Directional Output Nozzle
Retail Price: $20.99
Our Low Price: $15.52
Availability: In Stock
A-15044
Fluval U1 U2 U3 & U4 Replacement Venturi Valve
Retail Price: $18.99
Our Low Price: $13.61
Availability: In Stock
A-13921
Fluval U2 And U3 Replacement Filter Holder / Bracket
Retail Price: $21.99
Our Low Price: $17.95
Availability: In Stock
A-15204
N. Fluval 04 05 06 FX5 FX6 And Plus Series 30mm Replacement Suction Cup 4 Pack
Retail Price: $18.99
Our Low Price: $13.84
Availability: In Stock
A-15041
3. Fluval 3  Plus and U3 Magnetic Replacement Impeller - REPLACE ANNUALLY To Prevent Failure
Retail Price: $25.99
Our Low Price: $19.87
Availability: In Stock
A-15332
Fluval U1 U2 And U3 Replacement Impeller Shaft Assembly - REPLACE ANNUALLY To Prevent Failure
Retail Price: $21.99
Our Low Price: $16.08
Availability: In Stock
A-15101
Fluval U3 Underwater Filter Replacement Motor Unit
Retail Price: $54.99
Our Low Price: $43.32
Availability: In Stock
A-15303
Fluval Suction Cups for Fluval U Three Pack
Retail Price: $25.99
Our Low Price: $19.12
Availability: In Stock
A-15039