The VBMAX35S PFT Filter Box of 78 by A-M Systems is a new Carefusion SensorMedics Spirolink designed for use in medical and lab equipment. This filter box is specifically designed for spirometers and peak flow meters, providing a reliable and efficient way to filter and process airflow data. With a focus on precision and accuracy, this product is ideal for healthcare professionals and researchers looking to ensure accurate measurements in their work.