Biotop submersible pump for small ponds and fountains. dimensions: 53 x 73 x 66 mm. power: 12 w/h. maximum jet height: 1.5 m. maximum flow rate: 750 l/h. connection: 8 mm with adapter to 12 mm. pond capacity: <1000 l. this capacity will be reduced by half if the pond contains fish. cable length: 1.5 m. voltage: 230 v