SUNSUN HW404B external aquarium filter with 9 W UV-C, up to 600 L
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Choose countryThe SUNSUN HW404B is an external filter for freshwater and saltwater aquariums up to 600 L. It combines a 2 000 L/h flow rate and 4-stage filtration in a 19 L housing with an integrated 9 W UV-C lamp.
Filtration and water treatment
The filtration system removes contaminants, while the UV-C lamp irradiates the flowing water to help limit the growth of algae, bacteria and other microorganisms.
- Initial startup: a manual pump helps prime and start the filter.
- Hose disconnection: the multifunctional valve with a quick-connect fitting allows hoses to be disconnected without draining the system.
- Positioning: 360° swivel hose connections make installation under or beside the aquarium easier.
- Vibration damping: rubber feet reduce vibration during operation.
Installation parameters
The maximum water lift is 2.5 m. Supplied hoses are 1.8 m long with a 20/25 mm diameter. The filter has an ABS and PVC housing, a ceramic impeller shaft and an IPX4 protection rating. Its operating temperature range is 4–35 °C, and it uses a 220–240 V / 50 Hz power supply.
| Manufacturer | SUNSUN |
|---|---|
| Model | HW404B |
| Type | External aquarium filter |
| Flow rate | 2 000 L/h |
| Power | 55 W |
| UV-C lamp power | 9 W |
| Filter capacity | 19 L |
| Number of filtration stages | 4 |
| Aquarium capacity | Up to 600 L |
| Maximum lift height | 2.5 m |
| Hose length | 1.8 m |
| Connection diameter | 20 mm |
| Hose material | PVC |
| Construction material | ABS, PVC |
| Impeller shaft | Ceramic |
| Power supply voltage | 220–240 V / 50 Hz |
| Protection rating | IPX4 |
| Operating temperature | 4–35 °C |
| Noise level | 50–70 dB |
| Dimensions | 290 × 290 × 485 mm |
| Colour | White |
| Intended use | Freshwater and saltwater aquariums |
| Power cord length | 1.8 m |
| Cord type | H05VV-F |
| Cord cross-section | 3 × 0.75 mm² |
| Hose diameter | 20/25 mm |
| EAN | 6955974905162 |
|---|
What is included?
The package includes the SUNSUN HW404B external filter, connection hoses, inlet and outlet tubes, suction cups and mounting hardware.
Can the hoses be disconnected without draining the system?
Yes. The multifunctional valve with a quick-connect fitting allows you to disconnect the hoses without draining the system.
























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