 
                Replacement Back Pressure Regulator, 500psi. This Back pressure regulator is found on QDa Alliance systems and optionally with the Waters Fraction Manager Analytical
| Engineering Code | 289001328 | 
| UNSPSC | 41115854 | 
| Brand | Waters Quality Parts | 
| Product Type | Spare Parts Kits | 
| Units per Package | 1 pk | 
| Type | Mechanical | 
| System Type | HPLC | 
| Replacement Schedule | As Required |