Spiral Duct Grille

Model SDGSDG

The range of spiral duct grilles have been designed for fitting directly to circular ducts without the need for a special take-off. 

Made from galvanised steel plate.

Comes with a row of adjustable blades with vertical blades in front with optional damper if required.

Suitable for supply or exhaust.

Fixing is by self tapping screws through pre-drilled in grille frame.

Supplied in Mill Finish.