8" X 20" Or 20" X 8" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 9.75 X 21.75] mobile home rv making it an indispensable component

making it an indispensable component for heating

MERV 8 is the most reccomeded level of filteration by industry professionels

The ring base allows installation without removing the thermostat

+ Product Details Size - 32"w X 18"h X 2"d (for duct opening measurement only)

+ Product Details Size – 8" x 14" or 14" x 8" is the size for the duct opening measurement only

8" X 20" Or 20" X 8" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 9.75 X 21.75] mobile home rv making it an indispensable component+ Product Details Size 8"w X 20"h or 20" x 8" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9. 75" width X 21. 75" height. High Quality High grade steel construction meant for high foot traffic areas. Installation Location Floor. Design Easy drop in installation Powder Coat Finish Smooth, shiny, scratch resistant, with no sharp edges. Looks like it was just waxed. Quality Packaging Carefully