This set consists of an oxytex cws 400 and a high performance aquaoxy cws 400 pond aeration pumpunique combination of oxygen supply circulation and nutrient decompositonample space for micro organisms thanks to surface optimised fibre structureideal supplement for the filtomatic cws and filtoclear filter capacities can be increased up to 25attractive plant effect designavailable as a set with pump in three capacity classesguaranted 2 yearsdimensions 144 x 290biological filter surface 1