Description | Chrome-plated metal frames ensure cleanroom compatibility and ensures optimal cleanliness and chemical resistance. These adjustable stools come with user-friendly pnuematic controls for easy height adjustment. Fixed footring not available on this | Chrome-plated metal frames ensure cleanroom compatibility and ensures optimal cleanliness and chemical resistance. These adjustable stools come with user-friendly pnuematic controls for easy height adjustment. Fixed footring standard. Five leg base |