Different sizea water quality purifiers:

 Simple assembly instructions

1 To expand considerably the filtering area of the organisms in water with less occupation space.

   It's the best among the present filtering systems.

2 When the new bowl is put into use,the existing running sand bed maybe moved to the new bowl

  because the organism system in the water has been established for a long time.This way the  organism system time maybe greatly shorted.

3 This purifier has been designed by specialists. It contains one check valve.Its outer appearance is

beautiful and practical.

4 Its function and operation are the best without the problems of blockage,poor starting and siphon thus enabling more smooth and convenient operation.

  The water quality is more stable and clear being suitable for the existance of various fish group and weed.