The eheim twin feeder isa brand new fish feederr twin stands for two food chambers 2 x 80cm cubed which can feed your fish with different types of food flakes granules sticks and pelletsr the 2 chambers can be independantly controlled so that 2 types of food can be used for feeding at different intervalsr r programmable automatic fish feeder with greater feeding optionsr twin chambers hold two different types of fish foodsr easy way to provide a varied and nutritional diet for aquari