Herman Miller Aeron Chair Headrest Replacement Attachment Part Genuine Only. Aeron Chair Headrest Replacement Attachment Part. California Prop 65 Warning. The Original Headrest for The Herman Miller Aeron Chair Headrest ONLY Experience the ultimate comfort and support with our genuine Herman Miller Aeron Chair Headrest Replacement Attachment Part. Designed to perfectly match your Remastered Aeron Chair, this headrest is crafted with comfort, quality, and style in mind, featuring a sleek GRAPHITE COLOR (Code 23103) that complements your Onyx Mesh chair. Select the correct’Size’ for your comfort: H3 for individuals under 5’11” (Under 180cm) or H4 for individuals 5’11” or taller (Over 180cm). Ergonomic design provides head and neck support for comfort and alignment during long sitting sessions. Free-Floating System with tilt and height adjustments for a custom fit and lasting comfort. Matches Remastered Aeron Chair models year 2016 or older. Why You’ll Love It: Our Herman Miller Aeron Chair Headrest Replacement Attachment Part is designed to provide you with the ultimate sitting experience. With its ergonomic design and free-floating system, you can enjoy long hours of comfort and support. Whether you’re working, gaming, or simply relaxing, this headrest is the perfect addition to your Remastered Aeron Chair.