This 4-pack of Henry Schein Concentrated OR-EVAC 1-quart units is a must-have for any medical, lab, or dental facility. The units are made in the United States and are of the highest quality. The expiration date is 02/2027, so you can be sure that you will have enough in stock for a long time to come. The units are perfect for evacuating surgical instruments and other medical supplies. The concentrated formula is highly effective and will leave your instruments looking brand new. The units are easy to use and are perfect for both small and large facilities. Don't miss out on this opportunity to ensure that your facility is always clean and organized.