16"x20" Stamped Face Steel Filter Return Grille Vent Cover White Poweder Coating with Frame Outside Dimension 18.6"x22.6" The Listed size 8"x 8"

The Listed size 8"x 8" is for inside duct opening measurement

This product has listed size 14“w X 6”h is for duct opening measurement only

Easy Installation: The actual outside dimensions of 13

actual outsize overall dimensions is 16“ wide by 8” high

The Listed size 8"x18" is for inside duct opening measurement

16"x20" Stamped Face Steel Filter Return Grille Vent Cover White Poweder Coating with Frame Outside Dimension 18.6"x22.6" The Listed size 8"x 8"The Listed size 16"x20" is for inside duct opening measurement, actual outside dimension is 18. 6"x22. 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