Shoemaker 1600-12X30 - 12" x 30" Brown Return Air Floor Grille Steel honeycomb construction; Driftwood Tan (Brown) finish Flush core and frame provides smooth surface Free area equals more than 75% of nominal size Reinforced, heavy-duty build to withstand heavy foot traffic Fits a 12" x 30" hole size; overall dimensions are 14-3/8" x 32-3/8" x 1"