FREELY AIR BED Powerful alternating air pressure system with synchronized motor Circular air circulation system in 5 minutes Dual airway system on the bed With the dual-way air system, air is supplied to certain parts of the body while the air pressure in other areas is reduced, simulating the patient's movement, thus preventing possible bedsores and skin ulcers Features: Adjustable air flow Power supply 50Hz / 220V Air circulation time 5 minutes Low risk skin ulcer protection system; PVC air bubble mattress with 2 air pipe systems Pressure rate 25 Kpa Air Flow 5 L / min 130 air bubbles on the mattress Anti-bacterial PVC mattress Cable length 3 meters Accessories Air pump, Air mattress, double air hose, PVC repair kit with glue