Premium Pneumatic Gas Cylinder for Herman Miller Aeron Chair – 350 lbs Capacity. Premium Pneumatic Gas Cylinder for Herman Miller Aeron Chair. Capacity: 350 lbs Capacity. Listing is for a brand new, never used CLASS 4 GAS LIFT CYLINDER with 400N, designed specifically for seat height adjustment for your Aeron chair. This premium cylinder features a generous 6.0 stroke, allowing smooth transition from the lowest to highest seating options. Exceeds ANSI/BIFMA5.1-2011 standards for superior quality and safety. Load capacity up to 350 pounds. Cylinder Diameter: 28mm (1.1). Column Diameter: 50mm (approx 2). Compatible with Size A, B, and C Aeron Chairs. Why Choose Our Pneumatic Gas Cylinder? Experience unparalleled comfort and support with this premium replacement part for your Aeron chair. Not only does it provide exceptional height adjustment capabilities, but it also exceeds industry standards ensuring safety and reliability. Crafted with advanced technology and materials, this gas cylinder is your ideal solution to rejuvenate your beloved office chair. Samhongsa, established in 1971, has built a glorious reputation in producing high-quality gas lift cylinders. Their commitment to excellence and quality management ensures that every product meets rigorous international standards, making this an investment you can trust for long-term use. 1 x Premium Gas Cylinder (Chair not included). Elevate your sitting experience today and invest in comfort with Samhongsa’s premium pneumatic gas cylinder! 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! Country/Region of Manufacture: Not Set.