Tubular Pressure Mattress System

"This product is intended to help and reduce the incidence of pressure ulcers while optimizing patient comfort. For emergent CPR, please pull the CPR yellow strip outside quickly to reduce the air fast. Air ventilation function Tubes on A-B lines provide alternating inflating CPR - Fast Air Release Valve Made of heavy duty, premium PVC Easy to use Adjustable Low noise, low vibration, low temperature Easy fixing on bed frame with hooks"