Size shown above is vent opening size not actual grille dimensions
Many Shoemaker images are Stock Photos and may not represent exact product listed. See description for more product details
2-way Diffusers and Registers incorporate Vent Louvers that run parallel to first grille dimensions EX: 4x10 grille has 4" louvers; Return Air Grilles however have louvers that run Perpendicular to the first measurement
