20"x20" Stamped Face Steel Return Grille Vent Cover White Poweder Coating Without Frame Outside Dimension 21.75"x21.75" For example: If the hole

For example: If the hole on the wall is 16" wide by 25" tall

It has built-in damper to control air flow

It fits in 2 inch x 14 inch duct opening

The Listed size 12"x 8" is for inside duct opening measurement (the duct hole)

Easy Installation: Our vent register is designed for hassle-free installation – no tools or prior experience required

20"x20" Stamped Face Steel Return Grille Vent Cover White Poweder Coating Without Frame Outside Dimension 21.75"x21.75" For example: If the holeThe Listed size 20"x20" is for inside duct opening measurement, actual outside dimension is 21. 75"x21. 75" Stamped Face Steel Construction with 1 2" fin spacing for high air flow Screws are included for easy installation White Powder coating with matte finish