Office Logix Shop is the best shop to buy Herman miller parts for your chair. Some of the Herman miller parts that we sell are Herman miller arm pads, Herman miller back rest for MIRRA 1 chair, Herman miller Back rest for MIRRA 2 chair, Replacement back for Herman miller aeron chair, Herman miller seat for MIRRA chair and Herman Miller arm bolt assembly for aeron chair. Office Logix shop also provides free shipping service for the customers who purchases their product.