Tetra Tetratec EasyCrystal FilterBox 300

An additional compartment allows you to integrate an aquarium heater into the EasyCrystal filter box The EasyCrystal filter ensures crystal clear, healthy water thanks to its intensive mechanical, biological and chemical filtering Mechanical filtering: double-layer filter fleece for reliable removal of even the smallest suspended particles Biological filtering: filter sponge and organic filter balls with extra large surface area to settle beneficial bacteria Chemical filtering: special activated carbon for eliminating water colouration and unpleasant odours