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Fluval Internal Underwater Filter

The Fluval Plus Series Underwater Filter is a compact, effective filtration unit with a unique media shape. The filter sponge is cut in a 'wave' shape which maximizes it's surface area, allowing more room for the colonization of friendly bacteria.
Displaying products 1 - 15 of 15 results
A-465 Fluval U1 Underwater Filter
A-465 Fluval U1 Underwater Filter
Your Price: $31.89
A-465 Fluval U1 Underwater Filter
A-470 Fluval U2 Underwater Filter
A-470 Fluval U2 Underwater Filter
Your Price: $46.18
A-470 Fluval U2 Underwater Filter
A-475 Fluval U3 Underwater Filter
A-475 Fluval U3 Underwater Filter
Your Price: $57.73
A-475 Fluval U3 Underwater Filter
A-480 Fluval U4 Underwater Filter
A-480 Fluval U4 Underwater Filter
Your Price: $71.99
A-480 Fluval U4 Underwater Filter
Replacement Magnetic Impeller for the U3
Replacement Magnetic Impeller for the U3
Your Price: $14.69
Replacement Magnetic Impeller for the U3
Replacement Magnetic Impeller for the U4
Replacement Magnetic Impeller for the U4
Your Price: $19.08
Replacement Magnetic Impeller for the U4
Fluval U1 Underwater Filter Foam Pad
Fluval U1 Underwater Filter Foam Pad
Your Price: $1.10
Fluval U1 Underwater Filter Foam Pad
Fluval U2 Underwater Filter Foam Pad
Fluval U2 Underwater Filter Foam Pad
Your Price: $1.49
Fluval U2 Underwater Filter Foam Pad
Fluval U3 Underwater Filter Foam Pad
Fluval U3 Underwater Filter Foam Pad
Your Price: $1.79
Fluval U3 Underwater Filter Foam Pad
Fluval U4 Underwater Filter Foam Pad
Fluval U4 Underwater Filter Foam Pad
Your Price: $2.99
Fluval U4 Underwater Filter Foam Pad