Premium Pneumatic Gas Cylinder for Herman Miller Aeron Chair – 350 lb Capacity. Premium Pneumatic Gas Cylinder for Herman Miller Aeron Chair. Brand new CLASS 4 pneumatic gas lift cylinder with a robust load capacity of 350 pounds. 6.0 stroke for seamless seat height adjustment, allowing optimal comfort from lowest to highest seating positions. Cylinder Diameter: 28mm (1.1″) with a Column Diameter of 50mm (approx 2″). Why Choose Our Gas Cylinder? Elevate your seating experience with our premium pneumatic gas cylinder, expertly crafted for the legendary Herman Miller Aeron Chair. With a remarkable weight capacity and a smooth height adjustment feature, this cylinder is engineered to enhance your posture and comfort during long hours of sitting. Our product stands out not only for its superior performance but also for its adherence to rigorous quality standards. Certified by notable organizations including BIFMA, TUV, and SGS, you can trust that this gas cylinder is made with safety, reliability, and excellence in mind. Samhongsa has a legacy of quality dating back to 1971, dedicated to producing top-notch components for office chairs. Don’t compromise when it comes to your comfort-choose a gas cylinder designed specifically for your Aeron chair. 1 x Gas Cylinder (chair not included). Revitalize your Aeron Chair today and experience the difference with our Premium Pneumatic Gas Cylinder. 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.