With the emag emmi 20hc 2l ultrasonic cleaner 230 x 115 x 75 mm you can intensively clean all sorts of materials particularly thoroughly and without difficulty by using ultra sound in doing this the cleaning fluid is made to vibrate at high frequency so that the smallest dirt particles in inaccessible places are effectively detached this thorough but at the same time very gentle cleaning process is particularly suitable for glasses jewellery coins wash drawing equipment and circuit boards