Dr. McPhee An air channel is created to disperse pressure by the General Air Mattress’s sequential inflation and deflation of the air cells throughout the mattress. The air pump uses less energy, is vibration-free, and runs silently. You can put this air mattress on top of an already-existing mattress. It reduces friction, is lightweight, portable, and simple to transport. It also has antimicrobial properties. It is perfect for usage in nursing homes or in home health care.