This is a used original Philips hose that has been tested and comes with a 60 day warranty. Non-invasive blood pressure hose (NIBP) for Hewlett Packard, Agilent, Philips, Mindray and Propaq patient monitors. This is a OEM compatible hose. OEM replacement for HP/Philips Ref. M1599A, M1599B, M1598B, 989803104341, Mindray/Datascope Ref. 6200-30-09688, CM1903.