A Sterilizing Tray or immersion tray is intended to disinfect instruments after cleaning in the ultrasonic cleaner. Fill the tray with 440ml of demineralized water and mix in 8ml of Podisan. Or fill the container with 440ml of Alcohol 80% and place the instruments to be cleaned in the perforated tray and immerse. Take the perforated tray out of the container and rinse with water. Ready!