Does nothing.... Except conduct ultrasound The only environmentally responsible ultrasound gel completely FREE of added color, perfume, sodium, glycerin, propylene glycol and harsh preservatives. Hypo-allergenic Ultra Phonic FREE is acoustically correct, will not harm your probes or transducers and protects you and your patients from irraitating chemicals. Environmentally friendly, Ultra Phonic FREE is the same low price as Ultra Phonic Conductivity Gel with the same unique patented perspiration stable properties. Stays in place. No dripping or leaking.

60 ML Tube 250 ML Bottle 5 Liter with Dispenser

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