Genuine Herman Miller Aeron Stool Height Office Desk Chair. Genuine Herman Miller Aeron Office Stool Chair – See pictures of the actual chair for sale. Never used and Only opened for pictures. See images of the actual chair for this listing. This is a Genuine Authentic Herman Miller Aeron Chair. Aeron Stool High Height, Graphite, PostureFit Classic Carbon. Aeron Stool – PostureFit Lumbar Support, Graphite Frame/Base, Classic Carbon + Black Vinyl Armrests. See pictures for exact chair for sale in this listing. You can come see and test the chair in our San Diego (Poway) showroom. We accept most major credit cards in our showroom.