VERSATILE FILTRATION
Designed for use in both fresh and saltwater applications, U series underwater filters offer superior water purification, movement and aeration capabilities. Whether you’re looking for a submersible filter that offers multi-stage cleaning, quiet operation, versatile horizontal and vertical mounting options or ultra fast media changes, U series has something to offer everyone. U series filters are also great for terrariums and turtle tanks.
VERSATILE FILTRATION
Designed for use in both fresh and saltwater applications, U series underwater filters offer superior water purification, movement and aeration capabilities. Whether you’re looking for a submersible filter that offers multi-stage cleaning, quiet operation, versatile horizontal and vertical mounting options or ultra fast media changes, U series has something to offer everyone. U series filters are also great for terrariums and turtle tanks.

UNIQUE 3-STAGE FILTRATION
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MECHANICAL STAGE |
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CHEMICAL STAGE |
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BIOLOGICAL STAGE |

UNIQUE 3-STAGE FILTRATION
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MECHANICAL STAGE |
Foam filter pads remove large particles (U1 includes stage 1 only). |
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CHEMICAL STAGE |
Poly carbon pads remove fine debris, odors & improve water clarity. |
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BIOLOGICAL STAGE |
BIOMAX filter nodes biologically balance water chemistry for a healthy environment. |
FREE MEDIA INCLUDED | ![]() |
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FOAM FILTER PAD | POLY/CARBON PADS | BIOMAX | |
U1 (1) U2/U3/U4 (2) | U2/U3/U4 (1) | U2/U3 (40 g) U4 (80 g) |
FREE MEDIA INCLUDED | |
![]() FOAM FILTER PAD |
U1 (1) U2/U3/U4 (2) |
![]() POLY/CARBON PADS |
U2/U3/U4 (2) |
![]() BIOMAX |
U2/U3 (40 g) U4 (80 g) |
QUICK FLIP TOP MAINTENANCE
Easy to remove for fast filter access.


TILT
To remove from bracket.

FLIP
To access inside filter.

REPLACE
Or clean filter media.
QUICK FLIP TOP
MAINTENANCE
Easy to remove for fast filter access.

TILT
To remove from bracket.

FLIP
To access inside filter.

REPLACE
Or clean filter media.
ADJUSTABLE 3-WAY FLOW
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TOP OUTPUT |
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MIDDLE OUTPUT |
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BOTTOM OUTPUT |

ADJUSTABLE
3-WAY FLOW

TOP OUTPUT
Maximizes circulation & oxygenation.

MIDDLE OUTPUT
Spray bar for gentle flow in planted aquariums.

BOTTOM OUTPUT
Deep-water agitation.
VERSATILE POSITIONING
U Series filters can be used as a primary filter in smaller aquariums or as a supplementary filter for larger aquariums.
VERTICALLY
To create currents or customize water flows.
HORIZONTALLY
For shallow tanks, larger tanks with low water, or to create a decorative waterfall feature.

VERSATILE POSITIONING
U Series filters can be used as a primary filter in smaller aquariums or as a supplementary filter for larger aquariums.
VERTICALLY
To create currents or customize water flows.
HORIZONTALLY
For shallow tanks, larger tanks with low water, or to create a decorative waterfall feature.

COMPARE THE MODELS
MODEL Item # | U1A465 | U2A470 | U3A475 | U4A480 |
---|---|---|---|---|
UPC | 015561104654 | 015561104708 | 015561104753 | 015561104807 |
Aquarium Capacity | 14.5 US Gal(55 L) | 12-30 US Gal(45-110 L) | 24-40 US Gal(90-150 L) | 34-65 US Gal(130-240 L) |
Pump Output | 65 US Gal/h(250 L/h) | 105 US Gal/h(400 L/h) | 155 US Gal/h(600 L/h) | 260 US Gal/h(1000 L/h) |
Wattage(120V/60Hz) | 5 W | 5 W | 6 W | 12 W |
Wattage(230-240V/50Hz) | 4.5 W | 5 W | 7.5 W | 10 W |
Dimensions (L x W x H) | 4 x 3 x 6"(10 x 8 x 15 cm) | 8 x 3.5 x 4"(20 x 9 x 10 cm) | 10.5 x 3.25 x 4"(26.7 x 8.3 x 10 cm) | 13 x 4 x 4.5"(33 x 10 x 11 cm) |