Fits 14x14 Duct Opening Stamped Steel Return Air Grille Vent Cover Grille for Sidewall and Ceiling in White Surface Dimensions: 15.75"W X 15.75"H (14" W x 14" H Duct Opening) The Listed size 24"x14" is

The Listed size 24"x14" is for inside duct opening measurement

buy a 14x20 grille

75" with screw holes distance between 10

Revel in a lasting

actual outside dimension is 13

Fits 14x14 Duct Opening Stamped Steel Return Air Grille Vent Cover Grille for Sidewall and Ceiling in White Surface Dimensions: 15.75"W X 15.75"H (14" W x 14" H Duct Opening) The Listed size 24"x14" isThe Listed size 14"x14" is for inside duct opening measurement, actual outside dimension is 15. 75"x15. 75" Stamped Face Steel Construction with 1 2" fin spacing for high air flow applications. Screws are included for easy installation White Powder coating with matte finish Individually packed with cardboard box for ultra protection