| MDF® Classic Cardiology Stethoscope | 06940211600887 | MDF Instruments Medifriend Inc. | Class I | |
| MDF® Classic Cardiology Stethoscope | 06940211613344 | MDF Instruments Medifriend Inc. | Class I | |
| MDF® Classic Cardiology Stethoscope | 06940211613351 | MDF Instruments Medifriend Inc. | Class I | |
| MDF® Classic Cardiology Stethoscope | 06940211613368 | MDF Instruments Medifriend Inc. | Class I | |
| MDF® Classic Cardiology Stethoscope | 06940211613375 | MDF Instruments Medifriend Inc. | Class I | |
| MDF® Classic Cardiology Stethoscope | 06940211621110 | MDF Instruments Medifriend Inc. | Class I | |
| MDF® Classic Cardiology Stethoscope | 06940211621127 | MDF Instruments Medifriend Inc. | Class I | |
| MDF® Classic Cardiology Stethoscope | 06940211621134 | MDF Instruments Medifriend Inc. | Class I | |
| MDF® Classic Cardiology Stethoscope | 06940211621141 | MDF Instruments Medifriend Inc. | Class I | |
| MDF® Classic Cardiology Stethoscope | 06940211621158 | MDF Instruments Medifriend Inc. | Class I | |
| MDF® Classic Cardiology Stethoscope | 06940211621165 | MDF Instruments Medifriend Inc. | Class I | |
| MDF® Classic Cardiology Stethoscope | 06940211621189 | MDF Instruments Medifriend Inc. | Class I | |
| MDF® Classic Cardiology Stethoscope | 06940211621196 | MDF Instruments Medifriend Inc. | Class I | |
| MDF® Classic Cardiology Stethoscope | 06940211621226 | MDF Instruments Medifriend Inc. | Class I | |
| MDF® Classic Cardiology Stethoscope | 06940211621233 | MDF Instruments Medifriend Inc. | Class I | |
| MDF® Classic Cardiology Stethoscope | 06940211621318 | MDF Instruments Medifriend Inc. | Class I | |