The Hill-Rom® 300 Wound Surface Affordable Care for Patients With Hill-Rom® 300 Wound Surface, patients and caregivers are provided with utmost care within the desired budget. Excellent Features and Safety Components - There are several features, including anti-skid bottom and security traps, helps patient to recover from a safe and peaceful environment. - The surface helps to retain air for the patients and provides therapeutic experience. - Keep the surface settings intact with a lock-out button to avoid accidental overrides. In-built Audio/Visual Power Failure Alarms There's an in-built audible and visual alarms to indicate power failure. No more worry about electrical outages as the sub-mattress remains inflated for eight long hours.