Roho 18 x 16 WC Cushion Low Profile Dual Valve Bath Shower Chair Accessories you can wear a hearing E1 3 you can wear a hearing aid and no one will notice SpO2 and pulse rate can be shown correctly when pulse filling ratio is 0 ROHO© LOW PROFILE© Dual Compartment Cushion *This cushion offers an optimal environment for individuals with skin soft tissue integrity issues *The cellular design and the soft pliable material allow the individual to be immersed into the cushion for maximum pressure redistribution while decreasing friction and shear *Dual compartments can be adjusted independently to increase positioning and stability for either side to side (to adjust for pelvic obliquities) or front to back control (to adjust bucket or tilt angle) *Adjustable: Cushion is adjustable to individual s shape and weight *Cushion is adjustable to changes in individual