1 kit required for 3 to 8 Foot Premier, XL Benchtop, XStream, PVC, Stainless Steel and XL Floor-Mounted Fume Hoods with vertical-rising sashes
A Sash Stop restricts how far a vertical-rising sash may be opened
This small plastic device may be easily field installed on the fixture panel of a Protector Hood, which have been factory-prepared to accommodate a sash stop at the 60% open position (18 Inch to work surface)