

Damper Switch

The interface
** Diameter: ** Produced from 10 to 200 cm

Pre -pod
# Galvanized pre -stressed pod

Owal direct seam channel
** Diameter: ** producing from 3 to 160 cm

Corner and corner
** corner and corner **

Damper fire

Washing

Spiral Owal Channel
** Diameter: ** producing from 3 to 160 cm

Round spiral pod
# Spiral sheath

Converting rounded to non -central rectangle
** Diameter: ** Produced from 10 to 200 cm