HR Ultrasound Gel is a sterile, dye free, hypo-allergenic, water soluble & greaseless gel that is a superior echogenic medium for all ultrasound procedures.  HR Ultrasound Gel is acoustically correct providing an excellent resolution for a broad range of ultrasound frequencies.Certified Biocompatible | Fragrance Salt and Alcohol Free | Non-Toxic/Non-Irritating & Hypoallergenic | Dye, Latex, PEG and Chlorhexidine Free | Stain Free Guaranteed | Probe Friendly/Non-Corrosive | Pharmaceutical Grade Ingredients | BPOC Compliant | Medicare Reimbursement HCPCS codes: A4559 | Water Soluble for quick, easy clean-up | Gluten & Glycerin Free | Kosher Certified | Made in the USA