Dukal Wavelength� Ultrasound Gel Case NTPA503X by Dukal GROUP: Diagnostic Instruments:Ultrasound:Accessories/Supplies Item Description: Ultrasound Gel, Blue, 5L. (with 4 Empty Dispenser Bottles), Cube, 4/Case Packaging Desc: Gel Ultrasound Wavelength Blucube 5L 4/Case Country of Origin: Harmonized Tariff Code: Product Description: An excellent conductive agent for use in therapeutic ultrasound, diagnostic imaging, and other external procedures that require a thick medium.