Roho 16 x 18 High Profile Dual Valve W.C. Cushion Oxygen Tanks Pules:within 5% of the reading MSHQ 1594XL Pules:within 5% of the reading Includes Pump * Iindividual bladders alternate every 10 minutes to provide a comfortable pressure relieving seating surface * Zippered non skid stretch knit cover is anti microbial and meets California Tech Bulletin #117 for fire retardancy * Dimensions: 18 x 16 x 3 1 4 * Weight: 4 Lbs ROHO© HIGH 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 5kg (based on size 2R99C) Varies by size *Washable: Cushion can be easily cleaned with soap and water *Cover is machine washable *Repairable: The flame resistant black neoprene (not made with natural rubber latex) cushion can be patched to extend its use *This cushion is most effective for individuals who: Have a history of skin soft tissue breakdown and or any stage pressure ulcer (including deep tissue injury) skin grafts and or myocutananeous flap surgery *Currently have skin soft tissue breakdown and or any stage pressure ulcer (including deep tissue injury) *Be at risk for skin soft tissue breakdown and or deep tissue injury *Have normal or impaired sensation *Require accommodation of pelvic asymmetry up to approximately 3in 7