Parker Polysonic Ultrasound Lotion 1 Gallon/Bx - Unit/Measure - Each Parker Polysonic Ultrasound Lotion 1 Gallon/Bx 4Bx/Cs Part #: 21-28 Manufacturer: Parker Laboratories, Inc.Units of Measure: Each Please log in to see price or purchase this item Quantity discounts available QuantityPrice DetailsDetailsDouble edge. Blunt tip. Curved.