Dura Gel® SPP AT (Skin Protection & Positioning with Anti Thrust) Wheelchair Cushion 18" x 16" x 3" Banners CPT Lexmark 53B1H00 the hub helps to CPT Lexmark 53B1H00 and fractures • Provides long term skin protection and positioning for higher risk patients• Reduces tissue interface pressures at critical points• Features a specialized Dura Gel™ center layer surrounded by comfortable foam layers on the top and bottom of the cushion• Side wedges provide lateral stability to the lower extremities The cushion uses a high density base foam in combination with a visco elastic topper for added comfort and also positions the user with a moderate slope from front to back