The Fisher Ultrasonic Cleaner Model FS220 is a laboratory equipment designed for chemical,physical, medical, and biological laboratories.  It comes with a mechanical timer and completed with the original SS perforated tray and cover, making it suitable for cleaning various laboratory items. The brand Fisher Scientific is known for producing high-quality laboratory equipment, ensuring that the FS220 is a reliable and efficient ultrasonic cleaner. Tank capacity 5.5 Gal, tank size: 19.5”Lx15”Wx6”D, overall size: 21.4”Lx15.4”Wx11.3”H Used and working well when unplugged.