2.5 Inch Heavy Duty Office Chair Gas Lift Cylinder - Universal Replacement Hydraulic Piston for Most Office Chairs | Durable Pneumatic Lift Mechanism for Home & Office Use | Perfect for Chair Repair, Height Adjustment & Ergonomic Support

Product description If your gas cylinder is old or worn, you can replace it with an Omyoffice heavy-duty gas lift cylinder. The gas lift cylinder has excellent mechanical properties and durability. It can support higher weight than standard seat gas lift cylinders. Pneumatic impact allows it to rotate 360 degrees easily, smoothly and quietly. It is an excellent alternative to damaged or worn air lifts on office chairs, work chairs, executive chairs, etc.! Although this cylinder can hold many chairs and stools, it cannot hold them all. Please confirm your original cylinder. After installation, the smallest size difference should not change the performance of the lift. Be sure to remove the gas cylinder carefully, do not heat or puncture it. Safe explosion-proof The air lift cylinder is the most advanced 4-class piston on the market, which is safe and explosion-proof to ensure safe use Thick stainless steel material Smooth lifting, low noise, durable, and made of high-quality thick outer steel to ensure compliance with quality standards Easy installation The one-time forming circlip is easy to operate, good sealing performance, safe and reliable, and can be used with many office chairs Suitable for many office stools and chairs, computer tables and chairs. The large extension piece that can be lifted up and down smoothly and silently. (Please measure the size before buying) STEP 1 : Add shaft collars between the old cylinder and chair seat STEP 2 : Tighten lower shaft collar,leave the upper shaft collar slightly loose STEP 3 : Add twist,allow twist to press against the surface of the upper shaft collar STEP 4 : Tighten twist untill chair pops off the old cylinder Smooth rotation The gas lift cylinder possesses excellent mechanical properties and durability. It can support higher weight than the standard chair gas lift cylinder. And the pneumatic shock makes it easy to rotate 360 degrees smoothly and silently. It can replace many gas lift cylinder The internal structure design is a decompression zone, which is safer than other chair cylinder replacement. Upgrade the shell to make your chair more durable! Using high-quality materials and thick outer steel, these cylinders are of real high quality and durability, load-bearing capacity: 1000 LBS This gas lift cylinder use upgrade stainless steel lift rod. You will no longer have the trouble that the chair cannot lift up or down, can operates very smoothly with no noise. No noise lifting Stable use and no noise,aerodynamic impact making the operation simple and smooth. No noise to colleagues even when turning or lying on a chair to rest The internal structure design is a decompression zone, which is safer . Upgrade the shell to make your chair more durable! Using high-quality materials and thick outer steel, these cylinders are of real high quality and durability, load-bearing capacity: 1000LBS Standard cylinder diameter safe smooth stable 360° rotation Description: Frustrated to find that the office chair you sit on for years start sagging or can’t go up and down anymore? But not ready to buy a new one because the rest of the chair is in perfect shape? Why not get to fix it by changing the gas lift cylinder by yourself? How to make sure the gas lift cylinder fits your office chair? Check the outer and inner diameter of your broken gas lift cylinder. This replacement part fits the one with an outer diameter of 2" and inner diameter of 1.1". How to install the gas lift cylinder on your own? Tip the chair onto its side.Use the rubber mallet to tap and remove the base of the chair away from the seat.Use the pipe wrench to clamp tightly onto the top of the cylinder. Twist and then pull up in order to remove the cylinder.Remove the orange cap of the new cylinder. Insert the bottom of the cylinder into the center of the chair base.Carefully lift both the chair base and the chair cylinder into the chair mechanism. The parts will then fasten on their own. Specifications: Material: SteelOuter Cylinder Diameter: 2" - Inner Cylinder Diameter: 1.1" - Stroke: 5.5" - Bearing Capacity: 1000 lbs Package Content: 1 Office Chair Gas Lift Cylinder Office Chair Cylinder Replacement(black) Office Chair Cylinder Replacement(sliver) Office Chair Cylinder Replacement(gold) Office Chair Cylinder Replacement(white) Office Chair Cylinder Replacement with Gloves Add to Cart Add to Cart Buying Options Add to Cart Add to Cart Customer Reviews 4.3 out of 5 stars 2,360 4.3 out of 5 stars 1,850 4.3 out of 5 stars 1,850 4.3 out of 5 stars 1,850 4.3 out of 5 stars 1,850 Price $22.99$22.99 $22.99$22.99 — no data $20.39$20.39 $22.99$22.99 Universal fit ✓ ✓ ✓ ✓ ✓ Easy to install ✓ ✓ ✓ ✓ ✓ Sturdiness ✓ ✓ ✓ ✓ ✓ Comfort ✓ ✓ ✓ ✓ ✓ Last longer ✓ ✓ ✓ ✓ ✓ Heavy duty 1000lbs 1000lbs 1000lbs 1000lbs 1000lbs Adjustable height 5.5 inches 5.5 inches 5.5 inches 5.5 inches 5.5 inches

Adjustable height 2.5 IN The height of the fully compressed chair piston is 11.4 IN, the fully expanded height is 13.9 IN, it has an adjustable height of 2.5 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 1000 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

High-quality Office chair gas cylinder This is a quiet/durable/sturdy office desk gas cylinder. Able to work well in the office