1000s of Everyday Products. Vehicle Parts & Accessories. Sign up to receive special insider notifications of our latest deals, promotions, and new listings! Engineered Now H3 Headrest for Herman Miller Aeron Office Chair (Open Box). Item is open box, unharmed and in very good condition. All accessories or parts are included with the item. Make your Herman Miller Aeron office chair even better with this ergonomic headrest attachment. Perfectly matches your Classic Aeron Chair in comfort, quality, and color, with complementary zinc mesh; Matches models from 2016 or older. Headrest is ergonomically designed to support the head and neck, helping you stay comfortable, aligned, and focused throughout the day. The tilt and vertical adjustments are free-moving, while the forward and backward adjustments can be locked to your best comfort. Standard size model comfortably fits all users under 5 feet, 11 inches tall; Chair is not included. Dimensions (L x W x H): 12 x 6 x 8 inches. Weight: 3.5 pounds. Product Condition: Open Box – Like new. Less Than 18 in. Questions about this item? Cancelling Your Order: Your order is important to us and will be processed immediately. Select the reason for the return. We welcome your inquiry! Sign Up for Our.