The Velda Internal Venturi Filter filters and aerates the pond water simultaneously. With the help of the floater the built in pond pump sucks in oxygen from the water surface. In this way the filtration process is effectively supported by a constant supply of oxygen. As the air bubbles are floating from the filter, the pond water will be kept oxygen rich.
The Velda Internal Venturi Filter cleans the pond water in 2 biological stages:
-In the first stage the visible dirt particles are removed by the filter foam.
-In the second stage the growth of micro-organisms is stimulated with the help of the so-called Filtra-Sub. These micro-organisms remove organic elements from the pond water.
In both the first and the second stage the activity of the filter material is optimum owing to the constant supply of oxygen. The result is clear and healthy pond water.
The Velda Internal Venturi Filter is an ideal, trouble-free filter system for your pond. It has several advantages compared to different systems. The capacity of the active components and along with that its purifying capacity of the filter are larger than in common filter types. The biologic filtration of the water is quite effective. The filter with built in pump, aeration hose and floater can be simply connected. It is equipped with all necessary filter materials.
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