Dura Gel® SPP (Skin Protection & Positioning) Wheelchair Cushion 16" x 16" x 4 1 2" Air Dancer RL 78 4000 4999 1000 PK Place document in pouch RL 78 4000 4999 1000 PK meets all OSHA and ANSI standards 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 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