With EHEIM biopower you have a high performance internal filter that has never before existed.It has got its all-round rotatable pumphead.The special thing about biopower is that it offers multi-layer filtration just like an external filter. The closed filter baskets are filled with highly efficient filter medial (e.g. SUBSTRATpro). The inlet basket with filter cartridge for the mechanical-biological prefiltration is located at the bottom. The water sucked in at the bottom is pumped to the top through the various filter layers and after filtration directed back into the tank.Benefits of EHEIM biopowerMulti-layer filtration just like an external filterModular construction with closed filter baskets, filled with EHEIM SUBSTRATpro; inlet basket with filter cartridge (Other filter media can also be used)Pumphead holder at the top with filter pad and cover grillAll-round adjustable pumphead to direct the outflow as requiredFitted with power-diffusor for strong oxygen enrichment and a wide jet nozzle for natural surface water movementEasy removal and repositioning of filter baskets with Easy-Klick locking systemSuitable for aquariums with light to moderate stocking (Fish > 5 cm); for fresh or marine waterComplete with original EHEIM Filter media and ready for use Biopower 160For aquariums of about. 80.00 lFor aquariums up to approx. 160.00 lPump power (50 Hz) per hour of approx. 180.00 lPump power (50 Hz) per hour to about 550.00 lPumping head approx. (H max at 50 Hz) 0.43 mPower(50 Hz) to 6 wattFilter volume 0.38 lHeight 215.00 mmDimensions in Ø 96.00 mmVoltage 230 volt Biopower 200For aquariums of about. 100.00 lFor aquariums up to approx. 200.00 lPump power (50 Hz) per hour of approx. 210.00 lPump power (50 Hz) per hour to about 650.00 lPumping head approx. (H max at 50 Hz) 0.43 mPower(50 Hz) to 6 wattFilter volume 0.53 lHeight 270.00 mmDimensions in Ø 96.00 mmVoltage 230 Biopower 240For aquariums of about. 100.00 lFor aquariums up to approx. 200.00 lPump power (50 Hz) per hour of approx. 210.00 lPump power (50 Hz) per hour to about 650.00 lPumping head approx. (H max at 50 Hz) 0.43 mPower(50 Hz) to 6 wattFilter volume 0.53 lHeight 270.00 mmDimensions in Ø 96.00 mmVoltage 230