Renfert 18521000 Easyclean TechRenfert USA Inc 18521000 Features An ultrasonic frequency of 37 kHz ensures an optimal cleaning result. For effective distribution of the ultrasonic frequency, Easyclean TEC uses the permanent sweep function. The integrated heating element means optimized cleaning even with the most stubborn contaminations. For efficient and energy conscious cleaning, both the eco" and the dynamic" ultrasonic mode allow adaption to the level of contamination. The user