4" X 30" Or 30" X 4" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: [5.75 X 31.75] Sheet Metal/Adjustable Elbow Designed for both walls and

Designed for both walls and ceilings

Think of the diameter as a straight line from one end to the other

Actual Filter Size – 29 3/4"w x 27 3/4" x 1"

With four elegant colors and various sizes available

compatible with 5" duct | 2 in a pack - 2' pipe – 4 foot length when connected – 30 gauge thick & made of thick & durable galvanized sheet metal

4" X 30" Or 30" X 4" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: [5.75 X 31.75] Sheet Metal/Adjustable Elbow Designed for both walls and+ Product Details Size 4"w X 30"h or 30" x 4" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 5. 75" width X 31. 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