Repair and rejuvenate your Aeron chair with a genuine Herman Miller Aeron Size C mesh seat pan. This seat is brand new, never installed, never used, and comes exactly as shown. Authentic Herman Miller part (see patent label in photos). Size C – fits Aeron Size C chairs. Pellicle mesh in excellent condition. No wear, no marks, no discoloration. Comes from original packaging (included in photos). Perfect replacement if your existing seat is sagging, torn, or worn out. 100% NEW / UNUSED. Taken out only to inspect and photograph.