| Descriptor English: | Upflow Filters | ||
| Descriptor Spanish: | 
                                Filtros Ascendentes                                        
                                        
                                                                                                                            
                                            
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| Descriptor Portuguese: | Filtros Ascendentes | ||
| Descriptor French: | Filtres Ascendants | ||
| Tree number(s): | 
                                        SP4.895.141.712.348.364.855.157 | 
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| Scope note: | Filters consisting of a thick layer of sand placed on a support layer of rolled pebbles. (Adapted from https://bit.ly/3rJYcxx) | 
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| Allowable Qualifiers: | No qualifiers | ||
| Related: | 
                                                                                                                        Rapid Filtration
                                            DeCS                                             Upflow Filtration DeCS  | ||
| DeCS ID: | 25205 | ||
| Unique ID: | DDCS025205 | ||
| Documents indexed in the Virtual Health Library (VHL): | Click here to access the VHL documents | 
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                                        PUBLIC HEALTH
 
Environmental Health [SP4]Environmental Health 
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                        Upflow Filters                                            
                                        - Preferred                                        
                                                                
                                
                        
                        
                        
                        
                        
                    
                    
                
                | Concept UI | 
                                        
                                        FD00058164 | 
                                
| Scope note | Filters consisting of a thick layer of sand placed on a support layer of rolled pebbles. (Adapted from https://bit.ly/3rJYcxx) | 
| Preferred term | Upflow Filters | 
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