10"w X 10"h Extruded Aluminum Adjustable Core Mount Supply Ceiling HVAC Air Grille – Interchangeable: 1-Way, 2-Way, 3-Way or 4-Way - Vent Duct Cover [Outer Dimensions: 11.125" X 11.125"] 8in diameter actual front end outer dimensions

actual front end outer dimensions are approximately 24 5/8" width X 30 5/8" height

+ Product Details Perfect Fit & Easy Sizing - Designed for a 14" x 30" OR 30" X 14" duct opening (measured at the opening)

+ Product Details Size - 26"w X 10"h X 2"d (for duct opening measurement only)

Design – Easy unrestricted air flow for your HVAC system

you can't go wrong with this decorative grill

10"w X 10"h Extruded Aluminum Adjustable Core Mount Supply Ceiling HVAC Air Grille – Interchangeable: 1-Way, 2-Way, 3-Way or 4-Way - Vent Duct Cover [Outer Dimensions: 11.125" X 11.125"] 8in diameter actual front end outer dimensions+ Product Details Size 10"w X 10"h Is The Size For The Duct Opening Only, Dimensions With Outer End are 11. 125" X 11. 125". Design Re configurable Interchangeable Sections Easily convertible into 1 Way, 2 Way, 3 Way, or 4 Way Just lift sections and rotate to re configure direction. High Quality Aluminum The premium durable aluminum will never rust and it will never wear through leaving the material with an elegant, beautiful, and smooth surface, adds