ROHO Dry Floatation Mattress Overlay SystemROHO Dry Floatation Mattress Overlay System is an air mattress insert designed for pressure relief and treatment. Note: Need clinical information during authorization request. Clients must have stage II pressure ulcer or history of. Stage, location, or history of ulcer must be documented. Features Adjustable 3" or 5" aircells Made for use with the Vitacare Leveling Overlay or Vitacare V4 Mattress (both sold separately) Multiple sections can be snapped