SweetGate 4 inch Office Chair Gas Lift Cylinder- Replacement Parts,Universal Size Fits Most Chairs,Heavy Duty Gas Lift Hydraulic/Pneumatic Piston

Adjustable Height 4 IN: The height of the fully compressed chair piston is: 11.4 IN, the fully expanded height is: 15.4 IN, it has an adjustable height of 4 IN,which allows you to rise higher (Note: higher than normal cylinder, measured before purchase)

Universal Size: This hydraulic piston is suitable for almost all office chairs (salon chairs, executive chairs, work chairs, rolling stools) on the market, and has a better load-bearing capacity. The office chair piston maximum weight it supports is 300 Lbs, which is much heavier than ordinary gas cylinder for office chair

Official Certification: Durable, the best quality gas lift cylinder, withstand higher weight and pressure, high safety and explosion-proof. The gas lift cylinder has passed SGS official test and BIFMA certification, and is made of high-quality thickened outer steel to ensure compliance with quality standards

Excellent Alternative Office Chair Gas Cylinder: Stable use, no noise, silent 360° rotation and aerodynamic impact, making the operation simple and smooth. No noise to colleagues even when turning or lying on a chair to rest

Office Chair Gas Cylinder: This is a quiet/durable/sturdy office desk gas cylinder. Able to work well in the office