The Dynatronics Ultrasound Coupling Lotion is a reliable product used by healthcare professionals as a medium during therapeutic ultrasound procedures. This can effectively conduct ultrasonic waves from the device, and works as an alternative coupling agent to an ultrasound gel. This lotion is made to be hypoallergenic, bacteriostatic and water-soluble, and contains no salt, alcohol, fragrance, or dye, making it a reliable partner during ultrasound therapies. It has a light lemon scent, and can also be applied and massaged to the skin after a session. Each case comes in 4 containers of 1-gallon Ultrasound lotion, one (1) 8oz. Bottle, and syringe pump included.