Dowinx Universal Gas Lift Cylinder for Office Chairs, Class 4 Heavy Duty, Supports 450 lbs

About this item

• 1. It is important to keep the area clean.
• 2. Please do not feed the birds.
• 3. Smoking is not allowed in this area.
• 4. Dogs must be kept on a leash at all times.
• [Premium Quality] Our heavy duty pneumatic piston is the industry's highest grade class 4. And it passed the top-level test of BIFMA and TUV certification by lifting up and down 120,000 times without fail. This replacement cylinder can be used longer.
• [Safe and Explosion-Proof] Our hydraulic cylinder built with high-quality solid steel that can support maximum weight up to 1000 lbs. The safety decompression structure design will be more secure than most gas lift cylinder and also have the explosion-proof.
• [One Year Free Warranty] We will provide instruction service for removing and installing cylinder replacement. And we also provide 1 year free warranty service: when the cylinder fails, leaks, sinks, we will reissue a new cylinder for free.
• [INDUSTRY STANDARD SIZE] Fits Most Chairs: The office chair replacement cylinder is an international standard size, suitable for most chairs, such as office chairs, gaming chairs, executive chairs, etc. Save even more money by repairing lift function by replacing gas cyliners.
• [Size Information] Outer Cylinder : 2 inches; Inner Cylinder: 1.1 inches; The height of compressed: 9.8 inches; The height of fully expanded: 12.6 inches; The adjustable height: 2.8 inches. Please confirm the measurement before ordering. (Note: The gas cylinder sinking height is 2in, the actual use height after assembling on the chair is 7.8-10.6in.)