Don't Know What Gas Cylinder I Need- Universal Chair Gas Lift Cylinder Pneumatic Shock

If you bought your chair at an office supply superstore, it's very likely this universal chair lift replacement will work. 2-year Warranty included If it doesn't fit, we offer a full refund. The only cost to you is the price to mail it back!! Universal gas cylinder for most model chairs. If you don't know what chair you have or it's a no name brand chair, chances are this cylinder will work. This universal chair piston is 2" in diameter and the black part is approximately 9" long. This cylinder can be used with or without the black column included. Shaft has a 1" diameter. Works as a replacement gas lift cylinder on most models of the following: Global, Lane, Serta, Humanscale, Novimex, Realspace, Broyhill, Lazyboy Lazy Boy, Sealy, Globe, SC Turnstone, Vogel Peterson, Suspa, and many others! To remove most gas cylinders you use a rubber mallet with wood buffer to bang it through the 5 star base from the bottom. To remove the shaft from the mechanism under the seat it, a pipe wrench is commonly used with a "twist and pull" motion. For a stubborn cylinder shaft in the mechanism, you can try applying a little lubricant, but be careful to not lube the whole shaft because then the wrench will no longer grip!