Corning Pyrex Glass V-2 14/20 High Vacuum Stopcock 7544
Corning Pyrex Glass V-2 14/20 High Vacuum Stopcock 7544Corning Pyrex Glass V-2 14/20 High Vacuum Stopcock 7544Corning Pyrex Glass V-2 14/20 High Vacuum Stopcock 7544Corning Pyrex Glass V-2 14/20 High Vacuum Stopcock 7544
$35.00
New, 14/20 Ground Joint. High Vacuum, Numbers Matching