The Squirrel Medical Alternating Pressure System - PL-8535PUMP is a medical device designed to provide alternating pressure to patients to help prevent bed sores and improve circulation. Manufactured by Squirrel Medical, this pressure system uses a pump to regulate the pressure evenly on the patient's skin, promoting healing and reducing the risk of complications. The model number PL-8535PUMP indicates the specific design and functionality of this particular product, making it a reliable choice for healthcare professionals in various settings.