Check out the Accessories Chart to find which replacement cuff is compatible with your blood pressure monitor.
UA-1030T Blood Pressure Monitor
Good Practice for Blood Pressure Monitoring
Zeng, W., et. al. (2013). Validation of the A&D UA-1020 Upper-Arm Blood Pressure Monitor for Home Blood Pressure Monitoring According to the British Hypertension Society Protocol (Issue 18), pp. 177-181, 272-277.