Class 4 Pneumatic Gas Cylinder for Herman Miller Aeron Chairs – 11 Adjustable. Class 4 Pneumatic Gas Cylinder for Herman Miller Aeron Chairs. 11 Adjustable Seat Height. Brand New, Never Used. Class 4 pneumatic gas lift cylinder with 400N lift capacity. 6.0 stroke for seamless seat height adjustment (from lowest to highest seating). Exceeds ANSI/BIFMA5.1-2011 standards for safety and performance. Impressive load capacity of 350 pounds, ensuring durability and reliability. Cylinder Diameter: 28mm (1.1″), Column Diameter: 50mm (approx 2″). Compatible with Size A, B, and C Aeron Chairs. Exclusively for Aeron chairs manufactured between 1996 and 2012. 1 x Gas Cylinder (Chair not included). Why Choose Our Pneumatic Gas Cylinder? Elevate your sitting experience with our Class 4 Pneumatic Gas Cylinder, designed specifically for Herman Miller Aeron Chairs. Whether you’re upgrading an existing chair or replacing a worn-out component, this gas lift cylinder offers the reliability and safety you seek in your office furniture. Crafted with the finest materials and rigorous quality control standards, it guarantees a smooth and easy adjustment to cater to your unique comfort needs. Experience a seamless transition from sitting to standing, and enjoy the ergonomic benefits of a properly fitted chair. With an extensive certification background, including BIFMA and SGS standards, our cylinder allows you to sit confidently while supporting a generous weight capacity. Trust in our heritage of excellence since 1971 and transform your workspace into a haven of comfort and productivity. Order your Class 4 Pneumatic Gas Cylinder today and feel the difference at your desk! 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. Country/Region of Manufacture: Not Set.