20" X 30" or 30" X 20" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 21.75 X 31.75] 5" Diameter + Product Details Size –

+ Product Details Size – 4"w X 14"h or 14" x 4" is the size for the duct opening measurement only

and we recommend a rearward tilt for your mini split unit to ensure maximum security

+ Product Details Size - 30"w X 34"h X 2"d (for duct opening measurement only)

made of 1/2" UV-resistant Polypropylene

designed to transition ducts from larger to smaller sizes

20" X 30" or 30" X 20" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 21.75 X 31.75] 5" Diameter + Product Details Size –+ Product Details Size 12"w X 30"h or 30" x 12" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 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