8" x 4" Grille
Black cast iron, 3/16" thick. Available with holes so you can screw them to the floor or wall opening, or without holes for a clean look when installed on the floor. Grille Dimensions:

Inside Dimensions   8" x 4"
Outside Dimensions 10" x 5-1/2"
$49 Grille Only

Optional Louver Kit, sold separately,

10" x 4" Grille
Black cast iron, 3/16" thick. Available with holes so you can screw them to the floor or wall opening, or without holes for a clean look when installed on the floor. Grille Dimensions:

Inside Dimensions   10" x 4"
Outside Dimensions 12" x 5-1/2"
$49 Grille Only

Optional Louver Kit, sold separately, fits behind our grilles to control air flow and increase heating and cooling efficiency. Includes key to operate louvers and foam insulation for easy fit. In some cases, you may have to remove the grille to adjust the louvers. $39 Louver Kit Option

 12" x 4" Grille
Black cast iron, 3/16" thick. Available with holes so you can screw them to the floor or wall opening, or without holes for a clean look when installed on the floor. Grille Dimensions:

Inside Dimensions   12" x 4"
Outside Dimensions 14" x 5-1/2"
$53 Grille Only

 Optional Louver Kit, sold separately, fits behind our grilles to control air flow and increase heating and cooling efficiency. Includes key to operate louvers and foam insulation for easy fit. In some cases, you may have to remove the grille to adjust the louvers. $43 Louver Kit Option

 14" x 4" Grille
Black cast iron, 3/16" thick. Available with holes so you can screw them to the floor or wall opening, or without holes for a clean look when installed on the floor. Grille Dimensions:

Inside Dimensions   14" x 4"
Outside Dimensions 16" x 5-1/2"
$55 Grille Only

Optional Louver Kit, sold separately, fits behind our grilles to control air flow and increase heating and cooling efficiency. Includes key to operate louvers and foam insulation for easy fit. In some cases, you may have to remove the grille to adjust the louvers. $49 Louver Kit Option