12 Bottles Clear Ultrasound Conductive Gel for Fetal Doppler Tens Machine - Multi-Purpose Medium Viscosity Clear Transmission Gel (12 Bottles, 250mL) : Amazon.ca: Industrial & Scientific
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Dukal Lubricating Jelly Sterile 3 oz, Pack of 144 Clear Sterile Lubricating Gel Tubes for Hospital Procedures, Conductive Ultrasound Gel for Doppler, Water Soluble Baby Doppler Gel for Fetal Heartbeat : Amazon.ae