Fits 14x20 Duct Opening Stamped Steel Return Air Grille Vent Cover Grille for Sidewall and Ceiling in White Surface Dimensions: 15.75"W X 21.75"H (14" W x 20" H Duct Opening) Upgrade your HVAC system with

Upgrade your HVAC system with this high-performance 3-cone ceiling air diffuser

This product has listed size 8“w X 4”h is for duct opening measurement only

you will get a large one and it will not fit

15" long heavy duty steel construction with white powder coating finish

easy installation

Fits 14x20 Duct Opening Stamped Steel Return Air Grille Vent Cover Grille for Sidewall and Ceiling in White Surface Dimensions: 15.75"W X 21.75"H (14" W x 20" H Duct Opening) Upgrade your HVAC system withThe Listed size 14"x20" is for inside duct opening measurement, actual outside dimension is 15. 75"x21. 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