The ‘FILTER HEAT/MOISTURE EXCHANGER 1000 PLUS FLEXIBLE TUBE – 557071600’ is a medical device designed to regulate the temperature and moisture levels in a patient’s breathing environment. This product features a flexible tube, making it adaptable and easy to use in various medical settings. It is sold in packages of 30 units, ensuring you have ample supply for your healthcare needs. This filter is crucial in maintaining optimal breathing conditions for patients, contributing to their comfort and overall health.