Hozelock Ecopower+ 6000 (12W) Pond Filter - 1864Keep your pond water clean, clear, and healthy with the Hozelock Ecopower 6000 a powerful, above ground filtration system combining mechanical, biological, and UV filtration for exceptional clarity in garden ponds. Key Features: Triple action filtration mechanical, biological (Kaldnes K3), and 12W UV Integrated UVC clarifier controls green water algae for crystal clear results Above ground installation simple to set up and maintain Kaldnes K3 bio