Durable Alloy Steel Gas Cylinder for Herman Miller Aeron Chairs – 350lb Capacity. Durable Alloy Steel Gas Cylinder for Office Chairs. Compatible with Herman Miller Aeron Chairs. 6.0 stroke for adjustable seat height. Exceeds ANSI/BIFMA5.1-2011 standards. Cylinder Diameter: 28mm (1.1″) Column Diameter: 50mm (approx 2″). High-quality alloy steel construction for durability. Exceeds industry standards for load capacity. Compatible with Size A, B, and C Aeron Chairs. Advanced production and testing equipment for quality assurance. Allows for adjustable seat height for personalized comfort. Ensures stability and support for users up to 350 pounds. Long-lasting and reliable performance. Compatible with a range of Aeron chair sizes. Why choose our Gas Cylinder for Office Chairs? Upgrade your office chair with our Durable Alloy Steel Gas Cylinder, designed for Herman Miller Aeron Chairs. With a 350lb capacity and 6.0 stroke for adjustable seat height, this cylinder exceeds industry standards for durability and performance. Don’t settle for subpar gas cylinders – choose our high-quality option for long-lasting comfort and support in your office chair. Upgrade today and experience the difference! Alternative Carriers – We may use alternative carriers e. To ensure your package arrives safely and on time. Your feedback is extremely important to us. We strive to provide the best products and customer service possible. We are committed to resolving any problems and ensuring your satisfaction. Thank you for supporting our small family business!