The Everlock™ self-locking damper handle eliminates the need for any tools to unlock a damper handle, adjust the airflow, and lock it back into position. According to the manufacturer, it is designed ...
The Combination Fire/Smoke Dampers combine two dampers in one. The two-position device is tested to 5,000 cycles, intended to prevent the spread of fire (UL 1-1/2-hour fire rating), as well as smoke ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback