No rinse, ultrasonic solution! Over 25 years experience on the market! Ultra-Sol is formulated to maintain the integrety of your Orthodontic pliers and instruments, your pliers will retain their original shine and function. Simply dilute our 125ml (4oz) into 12 liters of distilled (preferably) water, clean into an ultrasonic unit for 15 minutes (following the unit manufacturer's instructions), drip dry and insert in the sterilizer (following the unit manufacturer's instructions). 12 bottle per boxe.