BASE WILL INCREASE THE HEIGHT 9", WILL FIT MODELS 191-SM, MED & LG, SOLD AS EACH MJM 10000133Base Will Increase The Height 9", Will Fit Models 191 Sm, Med & Lg, Sold As Each Mjm 10000133 Mjm Reclining Shower Chairs Mjm Reclining Shower Chairs Bath Chairs Will Fit In Standard Tubs. Extension Legs Will Facilitate Transferring And Make Bathing Showering A Breeze. Adjustable Belts Hold And Secure Individual In Place. Belts Can Be Secured In Various Settings. Base Will Increase The Height 9", Will Fit Models 191 Sm, Med & Lg Sku: Ndc 10181036_Ea