Seachem Tidal Power FilterThe Seachem Tidal Power Filter is made in Italy, ideal for freshwater or saltwater applications with a built in surface skimmer and self priming feed pump. No priming is required for this model and they feature a super quiet operation with a hang on filter design. Easily adjust the flow rate with the uppermost dial and the lowermost dial to choose whether you wish the water to pull primarily from the surface skimmer, intake pipe or both. This filter