The ‘Circuit Breathing Portex Anesthesia Adult 33-87 3L 20Ca – 450906’ is a medical device designed for use in anesthesia administration for adults. It measures 33-87 inches and has a 3L capacity. This product is ideal for healthcare professionals who require reliable and efficient tools for administering anesthesia. It comes in a case of 20, making it suitable for use in busy medical settings.