• Swivel with height adjustment mechanism or, swivel with height adjustment mechanism and recovery in position and height when leaving the seat. • Seat and backrest in flexible high-density polyurethane foam. • Flexible connection between seat and backrest. •Improved lumbar support. • Possibility of incorporating armrests with metal structure and integral polyurethane trims. • Stainless steel footrest. • Option of a cone shaped base (TRUMPET) or of a fivepoint star base (FIVE STAR). • Possibility of adding a BUMPER border for seat protection. • Upholstered with 100% polyester or 100% vinyl fabric. Flame-retardant (UNE EN 1021-1 and 2:2015). • Certifications:
— EN 1335. Safety requirements for chairs.
— BIFMA X5.1. Office seating.
— BIFMA X5.11. Large occupant office chairs (181 kg).
— BS 5459. Requirements and tests for seating furniture for use by persons weighing up to 150 kg (24 h).