Installation Location – Sidewall or ceiling
+ Product Details Size - 10"w X 34"h is the size for the duct opening measurement only
and with a built-in back 1/2" mesh they also protect you from annoying rodents like mice
actual front end outer dimensions are approximately 34 5/8" width X 34 5/8" height
+ Product Details Perfect Fit & Easy Sizing - Designed for a 28" x 8" OR 8" x 28" duct opening (measured at the opening)
12"w X 12"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: 13.125" X 13.125"] ceiling Installation Location – Sidewall or+ Product Details Size 12"w X 12"h Is The Size For The Duct Opening Only, Dimensions With Outer End are 13. 125" X 13. 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
