The Vyaire Medical 772505 is a disposable pulmonary filter designed for use with the Encore System in respiratory diagnostics. This filter features a 30mm ID x 30mm OD Microgard bacterial filter, providing effective filtration for respiratory procedures. It also comes with a nose clip for secure and comfortable use. This product is sold in a box of 100, making it a cost-effective choice for healthcare facilities. The filter is designed for single use, ensuring sterility and reducing the risk of cross-contamination.