Idra operational chair with medium backrest with polypropylene structure covered in grey elastic mesh, with integrated height adjustable lumbar support. Seat in beech plywood with underseat in black polypropylene. Cold injected polyurethane foam padding covered in black fireproof fabric. Height-adjustable polyamide armrests. Oscillating with synchro movement and anti-shock mechanism with block in 4 positions. Gas elevation. Pyramidal swivel base in black polyamide and free rubber wheels. Compliant with It. Leg. Dec. 81/08 according to EN1335.