Class 4 Gas Lift Office Chair Cylinder Replacement 5.9 Inch Adjustable Length Pneumatic Piston Fits Most Executive Chairs No Fuss Height Adjustment From 11.8 To 17.7 Inches For Desk And Chair

Single 5.9-Inch Gas Lift Cylinder for Adjustable Chairs
✔️ 150 mm lift range (11.8-17.7 in), fits 2 in mounting hole

This replacement gas lift cylinder is designed for office chairs and is a common upgrade for executive and desk chairs. It offers smooth, silent height adjustment and supports a wide range of heights for multiple users.

✅ Outer diameter 50 mm, piston 28 mm, rod 45 mm; fits 2 in mounting hole
✅ Lift range 150 mm (11.8-17.7 in); smooth, silent height adjustment
✅ Class 4 hydraulic cylinder rated to 1,000 lb; SGS and BIFMA certified
✅ Explosion-proof and pressure-reduction design; reliable performance
✅ Easy to install: remove cap, swap lifter, no extra screws

💡 What is a gas lift chair cylinder used for in height adjustable office chairs?

This handy component lets you adjust seat height to match your desk setup and improve ergonomic comfort.

- It works with standard 2" mounting holes - Provides smooth, quiet height adjustment - Replaces worn gas lift parts to extend chair life - Helps prevent back strain during long work sessions