


Dennerle Scaper´s Flow Hangon-Filter
- Hang-on filter for freshwater aquariums
- Inclusive filter media
- Three-stage filtration system
- Adjustable water intake
- Fully removable for easy cleaning
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Description
The Scaper's Flow by Dennerle is a hang-on external filter for freshwater aquariums, which can be mounted directly onto the aquarium glass using the supplied brackets. Alternatively, the filter can be placed next to the aquarium, provided the maximum delivery head of 60 centimetres is not exceeded. The system comes fully equipped with all required filter media and is ready for immediate use. Especially in smaller tanks, this external solution offers a space-saving alternative to conventional internal filters.
With a flow rate of 450 litres per hour, the filter ensures consistent water circulation. The integrated 2-litre filter volume includes multiple stages: a pre-filter sponge, a fine filter pad with activated carbon, and bio-filter rings provide a combination of mechanical, chemical and biological filtration.
The swivelling and height-adjustable lily pipe enables precise flow direction within the aquarium. Depending on the configuration, either low surface movement can be achieved to reduce CO2 loss, or oxygen input can be increased. The intake pipe is fitted with a sponge that helps prevent small animals from being drawn in. For maintenance, the entire unit can be easily removed and reinstalled.
Features
- Compact hang-on external filter for freshwater aquariums
- Ready for use, inclusive filter media
- Mechanical, chemical and biological filtration
- Includes lily pipe and intake sponge guard
- Adjustable water intake
- Powerful and quiet pump with 450 l/h
- Fully detachable for easy maintenance
- Adjustable and directional outflow
Technical Data
Scaper's Flow – Hang-on Filter | |
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Flow rate | max. 450 litres per hour |
Power consumption | 5,6 watts |
Filter volume | 2 litres |
Cable length | 1,4 m |
Voltage | AC 230 V / 50 Hz |
Operating temperature | 10–35 °C |
Dimensions
Scaper's Flow – Hang-on Filter | |
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Unit only | 180 × 120 × 205 mm (W × D × H) |
Complete setup | 180 × 155 × 270 mm (W × D × H) |
Hose dimensions | 12/16 mm or 13 mm |
Maximum glass thickness | 10 mm |
Immersion depth (vertical) | approx. 165 mm |
Immersion depth (horizontal) | approx. 65 mm |
Height above tank edge | approx. 20 mm |
Scope of Delivery
- Pre-assembled filter housing
- Filter basket with bio-filter rings
- Fine filter pad with activated carbon
- Pre-filter sponge
- Height-adjustable and swivelling lily pipe
- Intake pipe with sponge filter
- Mounting bracket for aquarium rim
- Power cable (1,40 m)
Product Safety Notes
Caution: Electrical hazard
Warning notes:
- This device is intended for indoor use only and solely for aquarium purposes.
- Risk of electric shock: Never immerse the plug or power cable in water!
- If the plug is wet or damp, do not unplug it. First, disconnect the circuit via the fuse, then remove the plug.
- This device must not be used by children. Children must not play with the device.
- Do not use the device if the power cable is damaged. In such cases, contact your specialist retailer.
- Always disconnect all electrical devices from the mains before working on the filter or in the aquarium.
- Do not run the filter dry. Operating the filter without water flow may cause overheating and damage.
General notes:
- Install the device in such a way that water cannot splash onto sockets or plugs.
- Use a drip loop on the power cable to prevent water from running down the cable into the socket.
- The filter must only be operated with a fully filled aquarium tank.
Handling notes:
- Always disconnect from the mains before cleaning or removing the device from the aquarium.
- Do not use abrasive cleaning agents or hard objects for cleaning.
- Check the impeller for proper function before initial use and after each cleaning.
- Only operate the filter when it is fully assembled.
Dennerle

Dennerle has been operating in Vinnigen since its foundation in 1966 and, after more than 50 years of company history, the building blocks Dennerle relies on is experience. The philosophy behind Dennerle is to create a small and tangible, intact piece of nature, in harmony with the natural environment. That is why sustainability is a company-wide concept and is implemented at every possible point. In order to achieve an ecologically balanced aquarium, Dennerle relies on a system that is based on 5 pillars. Animals, plants, water, substrate and lighting. Dennerle offers the optimum equipment to bring this complex, but not complicated system into harmony.
Manufacturer information
Manufacturer | |
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Name | Dennerle GmbH |
Street | Industriestraße 4 |
City | 66981 Münchweiler/Rodalb |
State | Rheinland-Pfalz |
Country | Deutschland |
marketing@dennerle.com | |
Website | dennerle.com |
General information
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Customer reviews
2 Reviews
5 Stars(1) |
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4 Stars(1) |
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1 Star(0) |
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I really enjoy this filter for my 25 liters aquascape tank, but the only problem I have is, that its not silent enough for a tank in the bedroom. (read more)