DASQT damper is made of galvanized steel sheet, it is used to regulate the air flow in TRANS-Quick dust extraction system when airtight seal is not required. This damper is also available in the DASQT-B airtight version - which also has a thicker rod and additional reinforcements. The damper position indicator is visible on the handle, adjustment is possible within 0˚÷90˚. Available in 0.7 and 0.9mm thickness.