1.OverFlow                            
2.Filter Influent        
3.Coarse Media                
4.Fine Media     
5.Filtrate Nozzles                   
6.Filtrate Chamber                    
7.Level Controller                   
8.Filter Reject             
9.Washbox  
10.Counter-Current Washer    
11.Airlift     
12.Central Feed Chamber                   
13.Actuated Valve