About this item

• Standard Size Office Chair Cylinders Replacement -- This chair cylinder replacement will fit all office chair bases with 2”(50mm) standard centre hole. Ideal to replace hydraulic piston on 99% standard office chairs, task chairs, executive chairs, salon chairs and rolling stools on the market. To fix your sinking office chair by replacing the chair gas cylinder instead of purchasing a new chair. ( Please measure dimensions before purchasing )
• Heavy Duty Class 4 Piston -- Our gas lift cylinder holds up to 450lbs, the highest End Class 4 chair piston on market, which are known as the most durable, longest lasting, and highest quality gas lift cylinders. This heavy duty Hydraulic Pneumatic Piston made with high construction industry standard (BIFMA Plus Qaulity) for heavy person.
• 4’’ Piston Stroke For Adjusting Chair Height -- Adjustable Height 5 Inch, the fully expanded height is 16.2 inch, the fully compressed height is 11.6 inch, travel from the highest to the lowest point, replace your office chair gas cylinder and stop worrying about disturbing anyone,360 degree rotation to all directions, freely lift and rotate your office chair smoothly and quietly.
• Easy Installation -- Usually you may need to use a rubber mallet to take out the old gas lift cylinder from chair base and can be installed easily without additional screws required.Spending 5 minutes will bring a new life to your old office chair. We suggest you watch videos on Youtube before you start the installation (search "office chair gas lift cylinder replacement" )
• Warranty -- Your satisfaction is always our top priority. If for some reason the cylinder fails, leaks, or starts sinking, contact our professional after-service team via email [email protected], our direct after-sale team will reach out to you and timely solve your problems.