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What It Is

The Hydrotech drum filter is a mechanical and self-cleaning microscreen filter that is highly effective in removing particulate from water. Drum filters are commonly used in aquaculture facilities to polish the water prior to additional treatment. With screens available from 10 to 150 microns they can be used for almost any application where solids need to be removed from water.

How it Works

Water is filtered through the periphery of the drum and particles are carefully separated from the liquid through the special cell structure of the filter panels. As solids build up on the filter cloth, the water level inside the drum rises, triggering a sensor that automatically starts rotating the drum and initiates the high-pressure rinse backwash. Solids are rinsed off the filter cloth and collected in the waste trough and discharged. The filtration continues through clean filter cloth during the backwash, thus allowing a continuous filtration process. Hydrotech's unique design of the filter panels prevents fragmentation through careful handling of the solids. This high filtration efficiency is essential in optimizing water quality parameters.


  • Cost-effective technology
  • Small physical footprint
  • Simple to operate and maintain
  • Product flexibility
  • Sturdy, compact design
  • Optimized design to ensure a large flow capacity
  • Wide range of long-lasting filter panels
  • Intelligent backwash system option
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Patented Filter Design

Hydrotech’s unique, patented filter panels greatly simplify both the replacement and change out of the filter. The drum is constructed in sections, each with up to six filter panels depending on diameter. With over 20 different sizes, this modular design facilitates maintenance and makes it easy to adapt the filter to the actual needs of flow capacity and filtration performance requirements.

We will work with you to identify the best filtration solution for your needs, whether it is a new piece of equipment or simply the right parts to maintain your existing unit.

For more information on Hydrotech filtration solutions for your aquaculture system, contact PR Aqua.

Product Inquiry

PR Aqua is proud to be a distributor of Hydrotech drum filters in North America to the aquaculture industry.  To help us begin evaluating your filtration needs, please answer the following questions.  Someone will be in contact with you shortly to gather additional information.

Product Inquiry Form

Have Questions?

If you have questions regarding the microscreen drum filters, please don't hesitate to reach out. An engineer from PR Aqua will contact you.


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