HW‑303A – external filter for up to 400 litres
External canister filter for aquariums of 200–400 l, rated at 1400 l/h with 35 W power. Suited to keepers…
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Find a productProduct description
This canister filter is intended for owners of aquariums in the 200–400 l range who want continuous mechanical, biological and chemical filtration from one unit. Its 1400 l/h flow rate and 35 W motor cover that volume, and the quiet, sealed pump design reduces noise in the room where the tank stands.
Why it matters
- Quiet, vibration-damped pump: The ceramic impeller runs inside a large, sealed filter lid that dampens both sound and vibration.
- Aqua-stop valve system: Water is blocked from flowing out of the filter when the hoses are disconnected from the lid, so routine maintenance does not drain the tank.
- Double clamp closure: One pair of lever clamps seals the lid by pressure and eases opening, while a second pair of latch clamps keeps the lid closed even when the full filter is lifted.
- Adjustable inlet and outlet: The intake tube with a protective strainer can be extended with additional segments to draw water close to the substrate, and the outlet with spray bar aerates the water.
Specifications
- Flow rate: 1400 l/h
- Recommended tank volume: 200–400 l
- Power: 35 W
- External dimensions: 258 x 258 x 430 mm
- Weight: 5 kg
- Power cable length: 1.5 m
- Maximum lift height: 2 m
- Body and lid material: ABS
What it works with
The filter is designed for freshwater aquariums of 200–400 l, and its ceramic impeller is also rated for use in seawater. The baskets accept any filter media insert, and the factory set includes bioceramics and bioballs for biological filtration, activated carbon for chemical filtration and sponge for mechanical filtration.
Technical specification
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Frequently asked questions
Yes, the manufacturer recommends it for aquariums from 200 to 400 liters. Its rated flow is 1400 l/h.
The pump is designed for quiet operation and is sealed inside a large, tight filter cover that helps dampen sound and vibration.
Yes, the pump uses a ceramic impeller, which allows it to work in seawater.
The aqua-stop system blocks water flow from the filter into the hoses, so you can detach them from the cover before maintenance. The filter has a 2 m maximum lift height and a 1.5 m power cable.
The filter comes with bioceramic, bio balls, activated carbon and a sponge, covering biological, chemical and mechanical filtration. The media baskets accept any filter insert you choose.
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