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SUNSUN HW404B 9W/UV External Filter
Fishkeeping

SUNSUN HW404B 9W/UV External Filter

99,19 €

In stock

SUNSUN HW404B 9W/UV External Filter

The SUNSUN HW404B is a high-performance external filter designed for freshwater and saltwater aquariums with a capacity of up to 600 liters. The unit offers a water flow rate of 2000 l/h and a spacious 19-liter housing with a 4-stage filtration system that effectively removes contaminants and helps maintain stable conditions in the tank. An additional advantage is the integrated 9 W UV-C lamp, which helps eliminate algae, bacteria, and microorganisms responsible for deteriorating water quality.

A bucket filter standing on the floor next to a large, densely stocked aquarium with plants.

Four-stage filtration for clean and healthy water

The filter is equipped with four filter baskets with included filter media. The system utilizes mechanical and biological filtration, as well as the option for chemical filtration. The set includes a filter sponge, bio-block, filter wool, and ceramic rings, which provide a large surface area for the growth of beneficial bacteria. The pre-filter effectively traps larger contaminants, extending the lifespan of the remaining cartridges and simplifying maintenance.

A diagram of the filter’s construction showing baskets for biological media, a sponge, and an internal lamp.

Built-in UV-C lamp and user-friendly operation

The integrated UV-C sterilizer irradiates the flowing water, limiting the growth of algae and harmful microorganisms. The filter is also equipped with a manual pump to facilitate initial startup and a multifunctional valve with a quick-connect fitting, which allows you to disconnect the hoses without having to drain the system. The 360° rotatable hose connections make it easy to install the filter under or next to the aquarium, and the rubber feet effectively dampen vibrations during operation.

The lamp is on, emitting bright, purple light inside the transparent filter housing.

High performance and robust construction

The body, made of durable ABS and PVC, ensures high resistance to daily use. The filter uses a ceramic impeller shaft, which ensures stable operation of the unit. The maximum water lift is 2.5 m, and the included 1.8 m hoses with a diameter of 20/25 mm facilitate installation even with larger tanks. The design meets the IPX4 waterproof standard and can operate at temperatures ranging from 4°C to 35°C.

An image showing a white bucket filter standing next to a rectangular, empty aquarium.

Included

  • SUNSUN HW-404B external filter
  • Comprehensive filter media (filter sponge, bio-block, filter fleece, ceramic rings)
  • Connection hoses
  • Inlet and outlet pipes
  • Suction cups and mounting hardware

 

ManufacturerSUNSUN
ModelHW404B
TypeExternal aquarium filter
Flow rate2000 l/h
Power55 W
UV-C lamp power9 W
Filter capacity19 l
Number of filtration stages4
Aquarium capacityUp to 600 L
Maximum lift height2.5 m
Hose length1.8 m
Connection diameter20 mm
Hose materialPVC
Construction materialABS, PVC
Impeller shaftCeramic
Power voltage220–240 V / 50 Hz
Protection ratingIPX4
Operating temperature4°C – 35°C
Noise level50–70 dB
Dimensions290 x 290 x 485 mm
ColorWhite
Intended useFreshwater and marine aquariums
Power cord length1.8 m
Cord typeH05VV-F
Cord cross-section3 x 0.75 mm²
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Product description

SUNSUN HW404B 9W/UV External Filter

The SUNSUN HW404B is a high-performance external filter designed for freshwater and saltwater aquariums with a capacity of up to 600 liters. The unit offers a water flow rate of 2000 l/h and a spacious 19-liter housing with a 4-stage filtration system that effectively removes contaminants and helps maintain stable conditions in the tank. An additional advantage is the integrated 9 W UV-C lamp, which helps eliminate algae, bacteria, and microorganisms responsible for deteriorating water quality.

A bucket filter standing on the floor next to a large, densely stocked aquarium with plants.

Four-stage filtration for clean and healthy water

The filter is equipped with four filter baskets with included filter media. The system utilizes mechanical and biological filtration, as well as the option for chemical filtration. The set includes a filter sponge, bio-block, filter wool, and ceramic rings, which provide a large surface area for the growth of beneficial bacteria. The pre-filter effectively traps larger contaminants, extending the lifespan of the remaining cartridges and simplifying maintenance.

A diagram of the filter’s construction showing baskets for biological media, a sponge, and an internal lamp.

Built-in UV-C lamp and user-friendly operation

The integrated UV-C sterilizer irradiates the flowing water, limiting the growth of algae and harmful microorganisms. The filter is also equipped with a manual pump to facilitate initial startup and a multifunctional valve with a quick-connect fitting, which allows you to disconnect the hoses without having to drain the system. The 360° rotatable hose connections make it easy to install the filter under or next to the aquarium, and the rubber feet effectively dampen vibrations during operation.

The lamp is on, emitting bright, purple light inside the transparent filter housing.

High performance and robust construction

The body, made of durable ABS and PVC, ensures high resistance to daily use. The filter uses a ceramic impeller shaft, which ensures stable operation of the unit. The maximum water lift is 2.5 m, and the included 1.8 m hoses with a diameter of 20/25 mm facilitate installation even with larger tanks. The design meets the IPX4 waterproof standard and can operate at temperatures ranging from 4°C to 35°C.

An image showing a white bucket filter standing next to a rectangular, empty aquarium.

Included

  • SUNSUN HW-404B external filter
  • Comprehensive filter media (filter sponge, bio-block, filter fleece, ceramic rings)
  • Connection hoses
  • Inlet and outlet pipes
  • Suction cups and mounting hardware

 

ManufacturerSUNSUN
ModelHW404B
TypeExternal aquarium filter
Flow rate2000 l/h
Power55 W
UV-C lamp power9 W
Filter capacity19 l
Number of filtration stages4
Aquarium capacityUp to 600 L
Maximum lift height2.5 m
Hose length1.8 m
Connection diameter20 mm
Hose materialPVC
Construction materialABS, PVC
Impeller shaftCeramic
Power voltage220–240 V / 50 Hz
Protection ratingIPX4
Operating temperature4°C – 35°C
Noise level50–70 dB
Dimensions290 x 290 x 485 mm
ColorWhite
Intended useFreshwater and marine aquariums
Power cord length1.8 m
Cord typeH05VV-F
Cord cross-section3 x 0.75 mm²

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