Ultrasonic cleaning machine for print head The product lines generated by high-frequency ultrasound sources hf shocks, the use of ultrasound shock, the rapid extension of the surface dirt.Power : 30w frequency : 42khz quiet, low noise.3 minutes automatic machines suitable for cleansing : printer nozzle, glasses, earrings, necklaces, etc. We can offer you the good quality and competitive price, if you intrerested in our product, please kindly contact me!i'll send you the price list.