4" X 14" Or 14" X 4" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: [4.75 X 15.75] tool belt [Outer Dimensions: 27

[Outer Dimensions: 27

+ Product Details Size - 26"w X 4"h is the size for the duct opening measurement only

Actual Filter Size – 23 3/4"w x 15 3/4" x 1"

+ Product Details Size – Stick-on collar is 8" and it is compatible with duct 8"

Our Galvanized Duct Box is made of high-quality 26-Gauge galvanized sheet metal for durability

4" X 14" Or 14" X 4" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: [4.75 X 15.75] tool belt [Outer Dimensions: 27+ Product Details Size 4"w X 14"h or 14" x 4" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 75" width X 15. 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