20"x16" Stamped Face Steel Filter Return Grille Vent Cover White Poweder Coating with Frame Outside Dimension 22.6"x18.6" The Listed size 10"x 3"

The Listed size 10"x 3" is for inside duct opening (the hole) measurement

The premium gray matte finish not only introduces a touch of elegance but also ensures exceptional resistance against rust and corrosion

you will feel either too cold or too hot

Stamped Face Steel Construction with 1/2" fin spacing for high air flow applications

actual outsize overall dimensions is 11

20"x16" Stamped Face Steel Filter Return Grille Vent Cover White Poweder Coating with Frame Outside Dimension 22.6"x18.6" The Listed size 10"x 3"The Listed size 20"x16" is for inside duct opening measurement, actual outside dimension is 22. 6"x18. 6" 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 Individually shrink wrapped with card board pad in the back for extra protection