Good strong cavitaiton more stable parameters Frequency : 20-40Khz Ultrasonic immersed Transducer1, Can be putted into in liquid, by bottom-mounting or wall-mounting2, Made sepcail for different size depand on customer's requirment 3, Frequency : 20Khz ,25khz, 28khz, 40khz , are pouplar type 4, Material : 304, 316 L , 2.0 Thikcness stainless steel shock co-branded, high-performance digital ...