A replacement gas cylinder fixes sinking office chairs and restores height adjustment, extending your chair’s life without needing a full replacement.

• Designed for Aeron: Engineered specifically for the Herman Miller Aeron Chair.
• Top & Side Activation Options: Both cylinder styles available to fit your chair, regardless of its manufacture date.
• Heavy-Duty Construction: Crafted from high-quality steel with precision engineering for enhanced durability and long-term reliability.
• Adjustable Height Range: Offers a smooth height adjustment of 5 inches, allowing for personalized seating comfort.
• Smooth Performance: Gas lift provides quiet and consistent up-and-down movement for improved ergonomics.
• Easy Installation: Comes with detailed instructions for quick and hassle-free installation. We recommend a large pipe wrench for installation.
• Warranty: Backed by a 2-year warranty for added peace of mind.

Select your chair model (Classic or Remastered) and manufacture date to ensure you receive the correct cylinder.