Dear Sir, We want to buy an ER dampers for a project based on the study of ER Dampers. Specifications: such as height should be around 23 cm and width should be 3 cm. Please do reply if u have this damper or if you know where I can find it. 联系方式Co:Abhishek Dixit Add:India Tel:+91 9363002864 Email:abhishedixit@gmail.com