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"] 18in diameter + Product Details Size – Product Description Enhance your CRFG68 Victorian Floor Registers

+ Product Details Size – 12" x 12" is the size for the duct opening measurement only

+ Product Details Perfect Fit & Easy Sizing - Designed for a 10" x 22" or 22" x 10" duct opening (measured at the opening)

Actual Filter Size – 25 3/4"w x 17 3/4" x 1"

actual front end outer dimensions are approximately 32 5/8" width X 24 5/8" height -

10" x 6" Decorative Wood Air Vent HVAC Duct Cover Grille - Polished Finish Red Oak Wood - 2-Way Air Direction

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"] 18in diameter + Product Details Size – Product Description Enhance your CRFG68 Victorian Floor Registers + Product Details Size – 12" x 12" is the size for the duct opening measurement only + Product Details Perfect Fit & Easy Sizing Designed for a 10" x 22" or 22" x 10" duct opening (measured at the opening)