Black Pneumatic Gas Cylinder for Herman Miller Aeron Chair – 350lb Capacity. Black Pneumatic Gas Cylinder for Herman Miller Aeron Chair. Upgrade your seating experience with this brand new CLASS 4 Pneumatic Gas Lift Cylinder, designed specifically for the iconic Herman Miller Aeron Chair. Ideal for the discerning user, this cylinder offers seamless seat height adjustment with a robust load capacity of 350 pounds. Load Capacity: Exceeds ANSI/BIFMA5.1-2011 standards with a generous weight limit of 350 lbs. Stroke Length: 6.0 stroke, allowing for a wide range of seat heights. Cylinder Dimensions: 28mm (1.1″) diameter with a column diameter of approximately 50mm (2″). Precision Engineering: Crafted for smooth and reliable adjustments, enhancing your comfort and productivity. Easy Installation: Designed for direct replacement, allowing for a hassle-free upgrade to your Aeron Chair. Timeless Design: Maintains the elegant aesthetic of your Herman Miller Aeron Chair while providing necessary functionality. Why Choose Our Gas Cylinder? Elevate your work experience with this exceptional pneumatic gas cylinder. Unlike standard options on the market, our component meets the high standards set by ANSI and is tailored to fit perfectly with classic Herman Miller Aeron Chairs. Don’t settle for less than the best – enhance your Aeron Chair experience today! Alternative Carriers – We may use alternative carriers e. To ensure your package arrives safely and on time. We do not accept return on most products. All sales are final. 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.