Egg crate grille manufactured from Aluminium Extrusion finished in white. Nominal neck size is 400 x 400, so will fit an aperture/hole dimension at these sizes and a plenum or grille box Over flange dimensions are bigger than the 400 x 400 Grille has a variety of uses and can be installed on a Wall, Ceiling, door or window. Suited to internal applications but could used externally. Actual scale / appearance of this item may differ to the picture used on this listing.
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