20" X 26" Or 26" X 20" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 21.75 X 27.75] Material_Copper + Product Details Size -

+ Product Details Size - 16"w X 14"h X 2"d (for duct opening measurement only)

They latch on securely without needing to worry about detachment

+ Product Description Introducing our Large Heavy Duty Tool Bagback - the ultimate companion for HVAC technicians

75"H – fits a 18" X 12" duct opening

Ensure that all joints are sealed to prevent leaks

20" X 26" Or 26" X 20" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 21.75 X 27.75] Material_Copper + Product Details Size -+ Product Details Size 20"w X 26"h or 26" x 20" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 21. 75" width X 27. 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