NEW Replacement Herman Miller Aeron Backrest. Parts only – No Chair. Herman Miller Aeron Chair OEM Replacement Backrest Frame Pan 4M01 Graphite MEDIUM Size B. 241729-G1-4M01 Backrest Size B Graphite. Mesh – NO CHAIR IS INCLUDED. Aeron Fit / Size Chart. Use & Care Manual. Video Adjustment Information View these QuickTime videos to learn about the ergonomic adjustment options available on Aeron seating. Instructions shown are for all possible adjustments; specific adjustments vary according to chair model. How can I determine my chair size if the label is gone? – To determine the size of your chair, feel underneath the top back lip of the chair’s backrest for a number of bumps. 1 bump is A, 2 bumps are B, and 3 bumps are C. One can also measure the seat pan width: Small A is 19 inches wide, Medium B is 20.25 inches wide and Large C is 21.5 inches wide. And in store payments. Items have no guarantee from Vitalityweb. The item “Herman Miller Aeron Chair Backrest 4M01 Graphite Medium Size B Tuxedo Grey Black” is in sale since Wednesday, May 15, 2019. This item is in the category “Business & Industrial\Office\Office Furniture\Chairs & Stools”. The seller is “backstore” and is located in Poway, California. This item can be shipped to United States.

• Color: Tuxedo Grey Black Mesh
• Material: Plastic
• Desk Type: office
• Room: Office
• Model: 241729-G1-4M01 Backrest Tuxedo Grey Black
• Country/Region of Manufacture: United States
• Style: Operator/Task Chair
• California Prop 65 Warning: California Prop 65 Warning
• Country of Manufacture: United States
• MPN: 241729-G1-4M01 Backrest Tuxedo Grey Black
• Brand: Herman Miller