EDAN-12.01.14321 3MHz Waterproof Interchangeable Fetal Probe With High Sensitivity for Sonotrax Series (1 EA)The Edan 12. 01. 14321 is a precision 3 MHz fetal probe designed for the Sonotrax series ultrasonic dopplers. It features a waterproof construction for reliable use in water birth environments and easier disinfection. This interchangeable probe is specifically optimized for high sensitivity detection of fetal heartbeats during the early stages of pregnancy, offering clinicians superior resolution and clarity. SKU Product Key Technical Details EDAN 12.