Before connecting the power supply, please fill the filter and pipes with water. It is recommended that the height difference between the FILTR water pump its power consumption is lower than most products similar to the same power multiple layer filter eliminates Big waste and fine particles, its bioactivity conducive to the colonization of useful and chemical bacteria, and eliminates coloring and odors The filter is equipped with all necessary pipes and fittings, filtration masses, it has no need to be washed or rinsed, you only need you replacing the filtration cartridge every 4 weeks ideal to keep the water from the clear and healthy aquarium, without suspension particles, it Can achieve a biological cycle (the nitrogen cycle) so that your fish are healthy and happy External filter for aquariums offers a multi-step filtration and also suitable for freshwater aquariums. The upper sealing ring ensures solid seal, while the lid makes it easy to remove the filter grid. It is designed