| MDF® Sprague Rappaport Stethoscope | 06940211601037 | MDF Instruments Medifriend Inc. | Class I | |
| MDF® Sprague Rappaport Stethoscope | 06940211619117 | MDF Instruments Medifriend Inc. | Class I | |
| MDF® Sprague Rappaport Stethoscope | 06940211619124 | MDF Instruments Medifriend Inc. | Class I | |
| MDF® Sprague Rappaport Stethoscope | 06940211619131 | MDF Instruments Medifriend Inc. | Class I | |
| MDF® Sprague Rappaport Stethoscope | 06940211619148 | MDF Instruments Medifriend Inc. | Class I | |
| MDF® Sprague Rappaport Stethoscope | 06940211619155 | MDF Instruments Medifriend Inc. | Class I | |
| MDF® Sprague Rappaport Stethoscope | 06940211619216 | MDF Instruments Medifriend Inc. | Class I | |
| MDF® Sprague Rappaport Stethoscope | 06940211619254 | MDF Instruments Medifriend Inc. | Class I | |