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Evolution Aqua K+ Advanced Filter – Bead Filter


At a glance:

  • Large bead filters for large ponds
  • K+ beads for both mechanical and biological filtration
  • Available in 4 large sizes filtering up to 91000ltrs
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The Evolution Aqua’s K+ Advanced Filter is the latest innovation in pond filtration technology. Manufactured by Evolution Aqua in the UK, this range of pressure filter have been designed to use with the new K+Media, this ensures exceptional water clarity and is economical to run. This type of filter is also known as a bead filter. Having 4 sizes in the range means they can cover ponds from 18000ltrs to a whopping 91000ltrs!

This bead filter is packed full of K+ media which has a unique design and profile which helps to improve flow. The K+ media matures faster than any other type of filtration media and is proven to be one of the best if not the best on the market. It has a unique design but most importantly it has a compact design for the volume of water it can filter. These are perfect for a Koi pond which has limited space for filtration.

They are very easy to install and can be used either as a stand alone filter (like a traditional pressure filter) or used after a larger system such as a nexus or even a skimmer line. Maintenance is also very easy thanks to the air blower (supplied) and multiport valve.

Key Features:

  • Supplied with advanced K+Media, delivering the best mechanical and biological filtration
  • Economical to run! The filter has been made to maximise the pumps efficiency and performance
  • Colour matches existing Evolution Aqua filters for that sleek look
  • Very easy to operate and clean.
  • Supplied with pipework, blower and multiport valve.
  • Compact design

How does the K+ Advanced filters work?

Water is pumped into the filter from the pond, through the multi-port valve. The internal pipework pushes the water to the bottom laterals. The water is then pushed upwards through the K+Advanced Filter, dirt, debris and fish waste are trapped within the K+Media which floats at the top of the filter. The large protected surface area of the supplied media also provides a suitable home for the beneficial bacteria, acting as excellent mechanical and biological filtration. The filtered water flows through the top laterals and through the pipework, then through the multi-port valve and back down the return into the pond. These filters are incredibly easy to clean by simply moving the handle on the multi-port valve into the corresponding positions which performs a backwash and rinse which flushes out any waste trapped inside. One of the best things about the K+ media is that it doesn’t degrade so there are no extra costs on replacing like you would with a traditional foam pressure filter.

KPlus Filter Manual

Additional information

Product Options

K+ Advanced Filter 20", K+ Advanced Filter 24", K+ Advanced Filter 30", K+ Advanced Filter 36"


Model K+ Advanced Filter 20″ K+ Advanced Filter 24″ K+ Advanced Filter 30″ K+ Advanced Filter 36″
Max pond size 18,000ltrs 36,000ltrs 54,500ltrs 91,000ltrs
Optimal flow rate 6000lph 12000lph 18000lph 30000lph
Multiport valve size  1.5″ 2″ 2″ 2″
K+ media volume 50 litres 100 litres 150 litres 250 litres
Dimensions (Diameter) 20″ (500mm) 24″ (620mm) 30″ (750mm) 36″ (900mm)
Instillation Pump fed Pump fed Pump fed Pump fed
Guarantee 2 year 2 year 2 year 2 year


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