5000 Series Accomodates the majority of users by providing exceptional back and lumbar support in an average size.
Dimensions: 17.5"W x 17.5"H.
8000 Series Provides superior lateral curve at the waist with upper back and lumbar support; this back accommodates
the 5th to 95th percentile.
Dimensions: 19.5"W x 22.5"H.
9000 Series Offers the exceptional luxury of the 8000 back with an additional two-way adjustable Tempur-Pedic® headrest.
Dimensions: Backrest: 19.5"W x 27"H; Headrest: 12"W x 5.5"H.