19.5″D x 20″W x 43H. Classic Herman Miller Aeron Chair, Renewed to feel brand new. Height Adjustable Arms with Pivoting rotation. Rear and Forward Tilt limiter. Roller blade Style Hardwood Floor Wheels Included. This Herman Miller Aeron chair is a top-quality office/desk chair that combines comfort and style. It comes in size B medium and features full function task capabilities, making it perfect for any office space. The chair is designed with ergonomics in mind, providing superb support for extended periods of sitting. It’s a great investment that will help you boost productivity and comfort in your workspace. So, if you’re looking for a high-quality chair that will provide maximum support and comfort, this Herman Miller Aeron chair is the perfect choice for you.