This is the perfect pond filter if you need to produce a large waterfall and want to hide the pond filter from view.Note - No UVC or Filter media is supplied with this listing.We do however sell a media kit and UVCs which fit this filter . Please note that Velda Clear Control Filters are some of the bestselling filters on the continent. Velda is based in Holland and are seen as a premium brand. The company is not known as well in the UK but we have been impressed by the quality of their products. We have a good relationship and can provide any products in the range including spares and consumables. NOTE: UVC bulb included.