1. 5 stages reverse osmosis filtration system :

PP+GAC+CTO+RO membrane+postposition activitedcarbon

The first stage is 5.0 micron PP filter                                                       

The second stage is granular activated carbon                                          

The third stage is 1.0 micron PP (CTO)filter 

The fourth stage is RO (reverse osmosis)membrane                                  

The fifth stage is  postposition activatedcarbon (T33) 

2.Auto-stop when no water or pressure tank  is full

3.18 minutes automanual-flush RO membrane