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

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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 H W-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. Show more