SunSun HW-Series External Canister Filter with UV (HW-402B / HW-403B / HW-404B) – 1000–2000 L/h

Keep your aquarium water crystal clear and healthy with the SunSun HW-Series External Canister Filter with built-in UV steriliser.
Available in three sizes – HW-402B, HW-403B, and HW-404B – these filters combine multi-stage mechanical, biological and chemical filtration with a 9 W UV-C steriliser that helps eliminate green water, algae spores and harmful microorganisms.

Ideal for freshwater and marine aquariums up to 600 L, the HW-Series offers powerful performance, quiet operation and easy maintenance, making it a trusted choice for both beginner and advanced aquarists.

Key Features:

• Integrated 9 W UV-C steriliser for crystal-clear water and algae control

• Multi-stage filtration: mechanical sponges, biological ceramics, and optional chemical media

• Flow rates:

  • HW-402B – 1000 L/h (for tanks up to 250 L)

  • HW-403B – 1400 L/h (for tanks up to 400 L)

  • HW-404B – 2000 L/h (for tanks up to 600 L)

• Large filter baskets for customisable media setup

• Quiet, energy-efficient motor with self-priming system

• Quick-release hose locks for easy cleaning

• Suitable for both freshwater and marine aquariums

• Supplied complete with hoses, pipes and starter filter media

Usage Tips:

• Position the canister below the aquarium for best siphon flow.

• Always rinse new media in aquarium water before installation.

• Clean mechanical media every 4–6 weeks; avoid washing biological media with tap water.

• Replace UV bulb every 6–12 months for best sterilisation performance.

• Do not operate the UV steriliser while medicating fish.

Free delivery across Malta on orders over €35. Orders are prepared at our shop in Ħ'Attard. See our shipping and refund policies for timings and conditions.