Executive series with headrest and high backrest, while for swivel visitor’s available with high and medium backrest. Arms and backrest form a single unit, while the seat is independent. Synchronized SLYR mechanism equipped as standard with front sliding seat device. The A1-ADH adjustable lumbar support is an option. A decorative insert, chromed or black, is placed on the rear of the backrest. Ada 1 is also available in a version called Plus, with enriched upholstery.