

Round cover
** Diameter: ** Produced from 10 to 200 cm

90 degree conversion.

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

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

Nafe
** Diameter: ** Produced from 10 to 200 cm

Damper behind the fan

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

Damper fire

Duffer Duffer Valve

Round spiral pod
# Spiral sheath