Our Swell Premium box filter kit 25000 is a large professional pond filter set up ideal for both koi and goldfish ponds. They are extremely effective flow-through gravity filters that incorporating unique filter foam media for efficient mechanical and biological filtration.
This large model is capable of filtering ponds up to 25,000 litres and is ideal for wildlife, community and Koi ponds. The kit includes an incorporated 18w UV Clarifier, located within the lid (for easy access) that will eradicate green water completely from your pond.
The filter kit comes complete with 10 foams in total, 5 course foams designed for catching larger debris and 5 fine for catching all but the tiniest debris particles. These foams are great for biological and mechanical use. For extra filtration this model comes complete with 2 media trays that can be filled with additional biological media such as Alfagrog, foams or even Carbon or Zeolite. Maintenance is made easy with its unique in-situ filter foam cleaning mechanism which allows you to squeeze the foams free of dirt without even getting your hands wet! The dirty water can then flushed out of the filter box with the sludge drain found at the bottom of the box.
The pump included requires minimal maintenance due to its large strainer cage that allows debris up to 12mm to be taken up to the filter box. Its also very efficient with its low 40w motor keeping fish keeping affordable. The pump comes complete with a hose-tail so you can use a variety of pipe sizes (25mm, 32mm & 38mm)
- Low energy usage
- Kit includes 3m of 32mm pipe & clips
- Biological and Mechanical Media
- Internal filter foam cleaning mechanism
- Re-usable Foams
||Max Flow Rate
||Max Head Height
||25,000L (No Fish) |
12,500L (With Fish)
6,250L (With Koi)
||70mm (Not included) |
Recommended - Oase Biotec
|51 x 46 x 53cm
||UV Cable 4m
||70mm (Not included)
||20 x 15 x 10cm
*Please note any electrical pond equipment is not supplied with a plug due to UK Law and building regulations, we recommend wiring them directly into a switchbox.