Evolution Aqua Cetus Sleeves

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Product Name Price
evolution Aqua Cetus Sleve Pump Fed

RRP: £550.00

Joe's Price: £459.00
You Save: £91.00 (16.5%)

Evolution Aqua Cetus Sleeve Gravity Fed

RRP: £550.00

Joe's Price: £459.00
You Save: £91.00 (16.5%)

Quick Overview

A highly efficient, low maintenance, mechanical screen pre-filter unit

Evolution Aqua Cetus

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  • Evolution Aqua Cetus
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  • Evolution Aqua Cetus
  • Evolution Aqua Cetus


The Cetus sieve is a totally new, bow screen pre-filter, made using the latest rotational molding technology. With all of its benefits and build quality, it is undoubtedly the best of its kind on the market today, regarding quality and performance! It is designed to efficiently and effectively remove large amounts of mechanical waste from a pond. It can be set-up gravity OR pump fed and has many benefits over the original bow screen technology.

This Cetus has a variable inlet height using the unique patented Pondflow regulation system – for use when gravity fed. This allows water levels within the pond to drop without causing the circulating pump to be starved of water. The Cetus will allow a skimmer or a bottom drain to accept vast amounts of waste without excessive cleaning needed to be carried out. The water must then be pumped to either a normal filter above pond level (Nexus Eazy/Eazy Pod) or to a pressurised filter.

If pump fed, the sieve is placed above pond water level and then the exit water is gravity dropped into your main filter.

The Cetus sieve is a bow screen pre-filter, suitable for pre-filtration of any biological filter including all pressured filters. It is advised that all pressurised filters be pre-filtered using a Cetus to reduce excessive backwashing and maintenance due to heavy solids

Benefits of the Cetus Sleve Pump

  Can be gravity OR pump fed
  Perfect fit screen so no waste can bypass
  Totally reliable and simple to install
  Plug and Play – comes with flexible boots to
     connect to pipe work
  Greatly reduced backwashing / maintenance
     of pressurised filters
  Robust one piece mould –no welded joints – no leaks!
  Large waste collection area which slopes to sump outlet
  Ideal for mechanically filtering skimmer lines
  Patented float that gives constant flow for
     gravity-fed level fluctuations
  Maximum flow rate 18,000 litres per hour
  Tri-slot 300 micron wedge wire screen in 316L
     stainless steel on 100% of surface area
  Increased levels of oxygen


Technical information


Max Flow:

18,000 litres/hr, 4,000 gallons/hr


gravity 110mm/4 inch pump 50mm/ 1.5 inch




gravity 40mm/1.5 inch pump 110mm/ 4 inch





Outlet Waste:

90mm/3 inch


300 micron

Additional Information

Manufacturer Evolution Aqua
Brand No
free delivery over £50
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