Refresh your Aeron chair with this New Mesh Seat Insert for the Herman Miller Aeron Size B. Designed as an OEM-style replacement, this mesh insert restores the original comfort, breathability, and support of your Aeron’s seat pan. Perfect for chairs with worn, sagging, or damaged mesh, this replacement insert helps return your Aeron to like-new performance. Compatible exclusively with Size B Classic Aeron seat pans. New mesh seat insert for Herman Miller Aeron Size B. OEM-style replacement for proper fit and tension. Restores comfort, support, and airflow. Durable, high-quality pellicle mesh material. Ideal for repairing sagging or damaged seat mesh. Easy installation onto existing seat pan. Condition: New. Compatibility: Herman Miller Aeron Classic Size B. Color: Graphite / Black pellicle mesh. Material: Pellicle suspension mesh. Includes: Mesh insert only (seat pan not included).