The Vicair Adjuster O2 Low is a shorter length version of the Adjuster O2 Standard. It is also an adjustable skin protection cushion that provides support for the IT/coccyx area, redistributes pressures over a larger surface area and may be adjusted to assist in managing pelvic asymmetry. The Vicair Adjuster O2 Standard is an adjustable skin protection cushion that provides support for the IT/coccyx area, redistributes pressures over a larger surface area and may be adjusted to assist in managing pelvic asymmetry. The Vicair Vector O2 Standard is an adjustable skin protection and positioning cushion that provides greater trochanter support for lateral stability and redistributes pressure to help create an ischial well.