![Amazon.com: Riester 4210-02 Duplex 2.0 Stethoscope, Stainless Steel, White : Industrial & Scientific Amazon.com: Riester 4210-02 Duplex 2.0 Stethoscope, Stainless Steel, White : Industrial & Scientific](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/41OBRTdwuBL._AC_UF350,350_QL50_.jpg)
Amazon.com: Riester 4210-02 Duplex 2.0 Stethoscope, Stainless Steel, White : Industrial & Scientific
![Amazon.com: Riester 4201-01 Duplex 2.0 - Estetoscopio (aluminio), color negro : Industrial y Científico Amazon.com: Riester 4201-01 Duplex 2.0 - Estetoscopio (aluminio), color negro : Industrial y Científico](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/71h3F9v+FxL.jpg)
Amazon.com: Riester 4201-01 Duplex 2.0 - Estetoscopio (aluminio), color negro : Industrial y Científico
![Amazon.com: Riester 4210-02 Duplex 2.0 Stethoscope, Stainless Steel, White : Industrial & Scientific Amazon.com: Riester 4210-02 Duplex 2.0 Stethoscope, Stainless Steel, White : Industrial & Scientific](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/41OBRTdwuBL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Riester 4210-02 Duplex 2.0 Stethoscope, Stainless Steel, White : Industrial & Scientific
![Amazon.com: Riester 4210 – 05 Duplex 2.0 Acero inoxidable – Estetoscopio, color verde : Industrial y Científico Amazon.com: Riester 4210 – 05 Duplex 2.0 Acero inoxidable – Estetoscopio, color verde : Industrial y Científico](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/71eWzKFy4PL._AC_UF350,350_QL80_.jpg)
Amazon.com: Riester 4210 – 05 Duplex 2.0 Acero inoxidable – Estetoscopio, color verde : Industrial y Científico
![Amazon.com: Riester 4201-01 Duplex 2.0 - Estetoscopio (aluminio), color negro : Industrial y Científico Amazon.com: Riester 4201-01 Duplex 2.0 - Estetoscopio (aluminio), color negro : Industrial y Científico](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61V+d5MvELL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Riester 4201-01 Duplex 2.0 - Estetoscopio (aluminio), color negro : Industrial y Científico
![Amazon.com: Riester 4201-01 Duplex 2.0 - Estetoscopio (aluminio), color negro : Industrial y Científico Amazon.com: Riester 4201-01 Duplex 2.0 - Estetoscopio (aluminio), color negro : Industrial y Científico](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/81X5vQN9CEL.jpg)
Amazon.com: Riester 4201-01 Duplex 2.0 - Estetoscopio (aluminio), color negro : Industrial y Científico
![Amazon.com: Riester 4201-01 Duplex 2.0 - Estetoscopio (aluminio), color negro : Industrial y Científico Amazon.com: Riester 4201-01 Duplex 2.0 - Estetoscopio (aluminio), color negro : Industrial y Científico](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61RQSk7+r9L.jpg)
Amazon.com: Riester 4201-01 Duplex 2.0 - Estetoscopio (aluminio), color negro : Industrial y Científico
![Amazon.com: Riester 4220 – 02 Duplex 2.0 Baby – Estetoscopio, color blanco : Industrial y Científico Amazon.com: Riester 4220 – 02 Duplex 2.0 Baby – Estetoscopio, color blanco : Industrial y Científico](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/71ZOZdhwwmL._AC_UF1000,1000_QL80_.jpg)