The Grammer 90.6 Lumbar Triple Air Valve, part number 136985, is a specialized component designed to enhance lumbar support in the Grammer 90.6 series seats, and it is also compatible with the 90.5 series. This air valve enables precise adjustment of the lumbar support by regulating the amount of air in the lumbar bladder. By allowing users to tailor the firmness and contour of the lumbar area, the valve ensures optimal back support and comfort tailored to individual preferences. The triple air valve design offers three separate adjustment zones, providing more detailed and customized support compared to standard single-zone valves. Its robust construction and precise engineering ensure reliable performance and durability, making it suitable for demanding applications where adjustable lumbar support is essential.
