Description
Maximum Power for Massive Tanks: SunSun HW-304A
[The Hook]
The SunSun HW-304A is the ultimate filtration solution for large freshwater and marine aquariums. Boasting a staggering 2000 Liters/Hour flow rate and four spacious media trays, this filter is built to handle the heavy bio-loads of Oscars, Arowanas, Turtles, and dense African Cichlid communities. If you need pristine water in a big tank, this is the engine you need.
Key Benefits & Features
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4-Stage Filtration Customization: Unlike smaller models, the HW-304A features four stackable baskets. This allows you to run multiple layers of mechanical filtration (coarse/fine sponges) while still having huge space for biological media (rings/Matrix) and chemical media (carbon/Purigen).
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High-Torque 55W Motor: Designed to push water through tall tanks and long hoses without losing pressure. It cycles a standard 150-gallon tank over 3 times per hour.
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Stable & Robust: The large footprint (square base) ensures the filter is stable and difficult to tip over, while the rubberized feet dampen vibration to keep noise levels surprisingly low for such a powerful pump.
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Quick-Disconnect Valve: Makes maintenance easy. The single-lever valve block allows you to shut off flow and remove the hoses instantly for cleaning.
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Includes Surface Skimmer: Comes with an optional surface skimmer attachment for the intake pipe to keep your water surface free of oily film.
Technical Specifications
| Specification | Details |
| Model | SunSun HW-304A (Non-UV Version) |
| Flow Rate | 2000 Liters / Hour |
| Power Consumption | 55 Watts |
| Max Head Height | 2.5 Meters |
| Media Baskets | 4 Large Trays |
| Hose Size | 19mm (Inner) / 25mm (Outer) – Note: Thicker hose than 302/303! |
| Suitable Tank Size | 100 – 200 Gallons (Up to ~750 Liters) |
| Dimensions | 290mm x 290mm x 485mm |
| Voltage | 220V-240V / 50Hz |
What’s in the Box
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1x SunSun HW-304A Filter Body
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4x Media Trays
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1x Valve Block
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2x Large Diameter Green Hoses
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1x Intake & Output Kit (with Spray Bar)
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4x White Fine Filter Pads
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Note: Ceramic Rings and Bio-Balls sold separately.






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