Check the listing for details. Parker Laboratories Aquasonic Ultrasound Gel .25 Liter Bottle. Condition: New. Listed at 5.10 USD. Acoustically correct for the broad range of frequencies usedCompletely aqueous, will not stain clothing or damage transducersHypoallergenic, bacteriostatic, non-sensitizing and non-irritating I AIM FOR AN HONEST, FAST AND COURTEOUS TRANSACTION! PLEASE DON'T HESITATE TO ASK ANY QUESTIONS! THANK YOU FOR LOOKING AND HAVE A GREAT DAY! Please remember to leave feedback once the item arrives and you are satisfied with your purchase.Acoustically correct for the broad range of frequencies usedCompletely aqueous, will not stain clothing or damage transducersHypoallergenic, bacteriostatic, non-sensitizing and non-irritating I AIM FOR AN HONEST, FAST AND COURTEOUS TRANSACTION! PLEASE DON'T HESITATE TO ASK ANY QUESTIONS! THANK YOU FOR LOOKING AND HAVE A GREAT DAY! Please remember to leave feedback once the item arrives and you are satisfied with your purchase.