Invacare MA50 is a full-featured alternating pressure overlay with four alternating pressure cycles to provide relief and comfort. It is designed to help reduce interface pressure and aid in the prevention and treatment of Stage I to IV pressure ulcers. The device features a state-of-the-art compressor with solenoid valve system that allows for easy setup and effective therapy cycles. The four therapy times can be adjusted for patient comfort, and the constant pressure monitoring ensures that the appropriate pressure is maintained to prevent capillary occlusion.