Fits 14x24 Duct Opening Stamped Steel Return Air Grille Vent Cover Grille for Sidewall and Ceiling in White Surface Dimensions: 15.75"W X 25.75"H (14" W x 24" H Duct Opening) The Listed size 24"x18" is

The Listed size 24"x18" is for inside duct opening measurement

meticulously fashioned from heavy-duty 18-gauge steel to deliver unparalleled strength

IAPMO Lead Free

actual outside dimension is 16

2-Pack 4FT Red/Blue Lined Stainless Steel Braided Washing Machine Hoses with Universal 3/4" 90 degree connector

Fits 14x24 Duct Opening Stamped Steel Return Air Grille Vent Cover Grille for Sidewall and Ceiling in White Surface Dimensions: 15.75"W X 25.75"H (14" W x 24" H Duct Opening) The Listed size 24"x18" isThe Listed size 14"x24" is for inside duct opening measurement, actual outside dimension is 15. 75"x25. 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