Glynn Johnson 904H-US32D Surface Overhead Hold Open

The Glynn Johnson 904H-US32D Surface Overhead Hold Open is a Surface Overhead Hold Open.

Specifications include:

Surface Overhead Hold Open
US32D - Stain Stainless Steel
Size 4
Series 90
Provides a convenient method of holding the door open at a predetermined position for short or long periods of time, permitting an unobstructed traffic flow through the opening.
The hold-open function can easily be turned on or off by simply rotating the serrated knob on the bottom of the channel.