B19b - Available Options Medex B19b - LSO (post-op back brace) with chair back --- Please Select --- Medex-B19b-S - LSO (post-op back brace) with chair back, Small Medex-B19b-M - LSO (post-op back brace) with chair back, Medium Medex-B19b-L - LSO (post-op back brace) with chair back, Large Medex-B19b-XL - LSO (post-op back brace) with chair back, X-Large
