Professional quality air pumps for the serious pond keeper. Silenta Pro are meant to be placed outside in all weathers & come complete with 5 metres of 9mm airline & a giant airstone. Available in five sizes. Optimum working
Depth: 1200 1800 & 3600 = 1.5m 4800 & 6000 = 2.5m To see the Velda Silenta Pro Oxygenator Air Pump being used please watch the video below: To read further information on the Silenta Pro range please