PRODUCT DESCRIPTION An integrated pressure monitoring air mattress overlay system that offers a combination of alternating and static features for low to medium risk patients and pressure ulcer treatment up to stage II. The Carilex " Entrix" is an integrated pressure monitoring air mattress overly system that offers a combination of alternating and static models with internal pressure monitoring and low pressure alert. The Entrix system includes all essential features to ensure optimal therapy. It is designed for low to medium risk patients and pressure ulcer treatment up to stage II.