Profile: Ransohoff UK specializes in parts washing services. Our cleaning products include ultrasonic cleaning, spray washers and immersion cleaning. The PROHT series also known as the benchtop series, are an entry-level benchtop ultrasonic cleaning system made of all stainless steel construction. They are ideal for cleaning small parts on an intermittent to semi-production basis, but are not recommended for high volume cleaning. It is available for use with single or multi-frequency generators. Our rotary drum washers are ruggedly constructed parts washers that provide reliable service in the harshest industrial environments.