Unboxing Graymills BTU-7 Ultrasonic Cleaner  (BT-60SE) This Ultraconic has a heavy-duty 316L double welded stainless steel construction compared to the chinees made one. This Ultrasonic cleaner is Built Like a Tank. Look at them massive Ultrasonic Power Corporation Trasducers Ultrasonics[…]↓ Read the rest of this entry…