HW‑302 – external filter for up to 250 litres
External canister filter for aquariums of 100–250 l, rated at 1000 l/h with an 18 W pump. It comes with…
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Find a productProduct description
This external filter from SunSun is intended for aquarists keeping tanks in the 100–250 l range who need a unit with a rated flow of 1000 l/h and a standard set of biological and chemical media. The pump, body and sealing system are designed for continuous operation in the tank's filtration circuit.
Why it matters
- Pump: The 18 W pump uses a ceramic impeller, which the manufacturer states allows operation in seawater. The pump sits inside a large, sealed lid that dampens its noise, and rubber feet reduce vibration.
- Intake: The intake tube with a protective strainer draws water from close to the substrate, where debris settles. Its length can be extended with additional tube segments. The strainer keeps fish, shrimp, plants and other larger items out of the filter.
- Outlet: The outlet is a spray bar that aerates the water as it returns to the tank. Its length and fittings can be adjusted with extra tubing and connectors.
- Sealing and service: Two pairs of clamps with different closing mechanisms hold the lid shut, one with a lever action for a tight seal. The aqua-stop valve lets the hoses be disconnected from the lid during maintenance without draining the filter.
Specifications
- Flow rate: 1000 l/h
- Pump power: 18 W
- Recommended tank volume: 100–250 l
- External dimensions: 232 × 232 × 395 mm
- Weight: 3.5 kg
- Power cable length: 1.5 m
- Body, lid and other plastic parts: ABS
- Seals: rubber
- Impeller: ceramic
- Included media: bio-ceramic of varying porosity, bioballs, activated carbon
What it works with
The filter is designed for freshwater and marine aquariums in the 100–250 l range, where it provides mechanical intake filtration, biological filtration through the bio-ceramic and bioballs, and chemical filtration through activated carbon. The included media are colonised by bacteria that reduce NH3, NH4 and NO2 levels in the water. The spray bar outlet adds surface aeration, so the filter can partly take over the role of an air pump in tanks of this size.
Technical specification
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Frequently asked questions
It is recommended for aquariums from 100 to 250 litres, with a rated flow of 1000 l/h. The power consumption is 18 W.
The external dimensions are 232 x 232 x 395 mm. The power cable is 1.5 m long.
The pump has a ceramic impeller, which the manufacturer states allows it to work in seawater.
The filter comes with biological media (bio-ceramics of different porosity and bioballs) and activated carbon for chemical filtration. The activated carbon is described as a clarifying media that reduces unpleasant water odour.
Yes, the aqua-stop system blocks water flowing from the filter into the hoses, so the hoses can be detached from the lid. The manufacturer notes this is useful during all maintenance work.
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