Expo Light is a medium mesh back armchair, polyurethane adjustable lumbar support, aluminium back frame, upholstered seat whit Synchro mechanism with quick side tension adjustment, aluminium base, black rubber castors Ø mm. 65.AVAILABLE MODELSLR | Mesh backrestLI | Padded backrestCOLORS & FINISHINIGAvailable in different colors and finishingsCERTIFICATIONSD.L. 81/01 | EN 1335