Supplied with SF series butterfly calibration damper in Sendzimir zinc plated steel
![](https://ss-pics.s3.eu-west-1.amazonaws.com/ci/223962/large-img_0806.jpg?1520266432)
Construction:
Aluminium painted RAL 9010 white
Supplied with SF series butterfly calibration damper in Sendzimir zinc plated steel
Construction:
Aluminium painted RAL 9010 white