Executive series suggested with headrest and high backrest, while the swivel visitor’s chair is suggested with high and medium backrest. The executive version is suggested with Synchro SLYR mechanism equipped as standard with front sliding seat. The LX-ADH adjustable lumbar support is an option. A decorative insert, chromed or black, is placed on the rear part of the backrest. Closed shape fi xed arms or high adjustable arms are available. Ada LX is also available in a version called Plus, with enriched upholstery.