Sobo 21w Acquarium Filter 2300a 3 in One

Sobo filter comes in choice of two sizes to suit your aquarium and is suitable both small and bigger compact tanks. shanda internal filter includes mechanical and biological filtration with the high quality sponge filter for trapping debris and dirt efficiently and allowing good bacteria to harbour within the structure highly recommended due: 1.easy to use 2.high quality and inexpensive 3.exquisite workmanship