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sera pond filter W 1500
The large filter tub of the sera pond filter W 1500 provides plenty of settling space for the bacteria that biologically break down waste products.
sera KOI Professional 12000 Pond Filter
This new and innovative filter combines the advantages of three units in one.
sera KOI Professional 24000 Pond Filter
The new sera KOI Professional 24000 Pond Filter provides optimal pollutant breakdown in garden ponds up to 24000 liters (6350 US gal.).