ObboMed MA-6100 Air Alternating Pad/overlay with Pump System, Variable Pressure with End Flaps, Fits Standard Hospital bed, Size 78 x 34 inches / 200 x 90 cm 130 individual air bubble cells that inflate up to 2 inches in height for weight displacement - Made of heave-gauge premium vinyl will hold up to 300 LBS / 135 kg. - Adjustable Air pressure Pump provides 8 LPM air flow and pressure over a 12 minute cycle time - 6-minute alternating inflation/deflation to prevent pressure ulcers and pressure sores and helps relieve pain from pressure ulcer and sore spots. - Easy-to-use control unit at air pump designed to be well concealed - Pad is 78 x 34 inches / 200 x 90 cm standard industry size to fit most beds in clinical environment - Special frigid resistant, sustaining in low temperature from -25 to 40 - Easy to clean with damp cloth