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Deli Office Chair Height Increase
Admin October 16, 2026
Currently, there is no specific product or method information directly related to increasing the height of Deli office chairs. However, we have found the Deli 90009 height extender (white), with a material code of 100149613 and a product number of 90009. However, this height extender is not designed for increasing the height of office chairs.

About the Deli 90009 Height Extender
The Deli 90009 height extender is a white product with corresponding material and product numbers. Based on its name, it is likely intended for placement on desks or similar surfaces to elevate computer monitors, keyboards, and other devices to a certain height, thereby improving the user's visual angle and operational comfort. It is not designed for increasing the height of office chairs.
General Methods for Increasing Office Chair Height
- Replace the Gas Cylinder: Many office chairs have a lifting function achieved through a gas cylinder. If the chair itself is not tall enough and the gas cylinder supports replacement, a longer gas cylinder can be selected to increase the chair's height. When replacing the gas cylinder, ensure that the product matches the chair model, is of reliable quality, and is installed correctly to avoid affecting the chair's stability and safety.
- Use a Seat Cushion: Placing an appropriate seat cushion on the seat surface of an office chair can increase the sitting height to a certain extent. The material and thickness of the cushion can be chosen based on personal needs, such as memory foam cushions that provide good support and comfort.
- Adjust the Chair Structure: Some office chairs are designed to allow adjustments to certain structures to change the height. For example, some chairs may have adjustable chair legs or bases, enabling fine-tuning of the chair's overall height. However, this adjustment method requires the chair to have the corresponding design structure, and adjustments should be made following the correct operating steps to avoid damaging the chair.




