Curved blade grilles are available in 1 or 2 way air diffusion patterns.
This is the two way opposing blow version.
They have individually adjustable blades and have blades running parallel to the width dimension. A centre supporting mullion is fitted to all grilles over 600mm.
Quote one way blow on order if required.
Can be used in conjunction with Grille Boxes.
Size is overall size.
Generally used as a supply grille.