BioSonic® Soaking Tray ST-16, Is A 16 ounce Germicide Tray Used To Pre-Soak Instruments Before Ultrasonic Cleaning Or Autoclaving. It Also Serves As A Sanitizing Step Prior To Hand Scrubbing Or Instrument Handling. A Self-Draining Basket Accommodates All Common Instruments. Molded In Chemical Resistant Plastic, This Tray Will Provide Lasting Durability.