Overview
The SunSun HW series 4‑stage external canister filters—HW‑504A and HW‑505A—deliver silent, robust filtration for aquariums up to 400 L. Featuring mechanical, biological, chemical, and polishing media stages, they ensure crystal-clear water with low energy use and easy maintenance.
Key Features
- 4‑stage filtration: Coarse sponge, bio‑media, activated carbon/phosphate remover, plus polishing stage for superior water clarity .
- Quiet & compact: 800 L/h flow at only 15 W, with rubber feet for vibration damping .
- 360° rotatable hose connectors: For flexible, neat installation beneath or beside your tank .
- Secure lid & quick‑release valves: Four‑clasp lid locks and multifunction valves allow leak‑free, hassle‑free servicing .
- Durable steel‑shaft motor: 15 W motor offers reliable, low‑maintenance performance .
- Generous media capacity: 5 L (HW‑504A) or 9 L (HW‑505A) canisters with handy basket handles .
Specifications by Model
| Model | Flow Rate | Power | Max Tank Size | Canister Volume | Dimensions (mm) |
|---|---|---|---|---|---|
| HW‑504A | 800 L/h | 15 W | up to 400 L | ≈ 5 L | 305 × 205 × 335 |
| HW‑505A | 800 L/h | 15 W | up to 400 L | ≈ 9 L | 325 × 245 × 405 |
Why Choose HW‑504A & HW‑505A?
- Comprehensive multi‑stage filtration: From mechanical to polishing, all essential stages included.
- Low‑noise efficiency: Energy‑saving 15 W motor and vibration‑damping feet ensure quiet operation.
- Easy upkeep: Quick valves and clasp‑lock lids allow clean, drip‑free maintenance.
- Flexible installation: Swivel connectors and compact design suit most aquarium setups.
Installation & Maintenance
- Place canister beneath or next to your tank and connect hoses using the 360° connectors.
- Fill with aquarium water, close lid with four clamps, press priming pump if included.
- Load filter baskets (mechanical → biological → chemical → polishing), then power on.
- During cleaning, close valves before removing baskets to avoid spills.
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