The Smiths Medical 454000 is an adult anesthesia circuit designed for effective delivery of anesthesia gases to the patient. This dual-limb circuit features a 50.8mm diameter and is expandable from 33 to 87 inches in length, providing flexibility and convenience during use. The circuit comes with a swivel wye connector for easy patient positioning and a 3L bag for gas storage. The product is made from latex and is designed for single use to prevent cross-contamination. Each case contains 20 circuits.