Nashuatec D3525 OPC Drum ( A2309510 ) (Inception ref. No.) K- D3525 - 85019540 Priced per Drum, sold per Drum. For Use In Nashuatec 3545, 4545, D 3525, D 435, D 435 s, D 445, DocuStation 3252, DocuStation 4525, DSM 635, DSM 645 Manufactured by Kantun, the worlds leader in compatible parts & supplies