6" X 14" or 14" x 6" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 7.75 X 15.75] Insulated Line then you'll need a 14-inch

then you'll need a 14-inch round vent

Durable Material - 30 Gauge Thick & Made of Thick & Durable Galvanized Sheet Metal - Used For HVAC System Duct Work In Any Building or Home

With a superior pressure rating ranging from 2100 to 7000 PSI

This ensures superior performance and efficiency in any application

Flexible Joint - Immediately Improves the appearance of mini-split

6" X 14" or 14" x 6" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 7.75 X 15.75] Insulated Line then you'll need a 14-inch+ Product Details Size 6"w X 14"h or 14" x 6" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7. 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