The ‘Circuit Breathing Portex Anesthesia Adult 40 3L 20Ca – 670904’ is a crucial medical device designed for adult patients. This anesthesia circuit is 40 inches long and has a 3L capacity, providing a suitable range for various medical procedures. It is designed to deliver anesthetic gases to a patient during surgery. This product comes in a case of 20, ensuring you have a sufficient supply for multiple procedures. Please note that it is intended for single patient use only.