14"w X 14"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: 15.125" X 15.125"] with filter Easy clean Healthy air flow

Easy clean Healthy air flow for your HVAC system - noise free components

+ Product Details Size - 10"w X 18"h is the size for the duct opening measurement only

With a 5" diameter for the duct opening measurement

actual front end outer dimensions are approximately 12 5/8" width X 20 5/8" height

Actual Filter Size – 9 3/4"w x 11 3/4" x 1"

14"w X 14"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: 15.125" X 15.125"] with filter Easy clean Healthy air flow+ Product Details Size 14"w X 14"h Is The Size For The Duct Opening Only, Dimensions With Outer End are 15. 125" X 15. 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