This Herman Miller Aeron Chair Size B Seat Frame is a top-of-the-line office furniture piece that is sure to impress. Made by a trusted brand in the industry, this chair is designed to provide maximum comfort and support for employees during long hours of sitting. This is an OE part. Crafted with precision and attention to detail, this is a sturdy seat frame made of pellicle material that can withstand daily wear and tear. Whether you’re looking to upgrade your current chair or replace a damaged one, this Herman Miller Aeron Chair Size B Seat Frame in graphite finish is the perfect choice.