78Lx36Wx2.5 for prevention, treatment & management of Pressure Ulcers. Bubble pad provides therapeutic treatment alternating 130 individual bubble cells, inflated or deflated every 5 minutes Variable pressure, 4 LPM pump is adjustable & quiet. #AQ1000-fixed w/Pad #AQ2000-variable pressure w/Pad #AQ2000-1-Pad Only Latex Free UNSPSC# 42191810