Extended- Drop Automatic door bottom Surface-Mounted. Color Aluminum 36" long. Legacy part: 7593.
.. Adjusting the brass nut changes pressure on concealed internal spring to
satisfy field conditions.
.. Self-leveling door seal up to maximum 1" drop.
.. Replacement neoprene - Part #4563N.
Special order, allow 3-4 weeks for shipping. Non-returnable.