Fits 24x6 Duct Opening Stamped Steel Return Air Grille Vent Cover Grille for Sidewall and Ceiling in White Surface Dimensions: 25.75"W X 7.75"H (24" W x 6" H Duct Opening) Effortless Airflow Control: Our functional

Effortless Airflow Control: Our functional floor register is equipped with an easy-to-use airflow control dial

you will get a large one and it will not fit

Size Selection Guide

For example: if the hole on the wall is 14" wide by 20" tall

actual outsize overall dimensions is 14“ wide by 12” high

Fits 24x6 Duct Opening Stamped Steel Return Air Grille Vent Cover Grille for Sidewall and Ceiling in White Surface Dimensions: 25.75"W X 7.75"H (24" W x 6" H Duct Opening) Effortless Airflow Control: Our functionalThe Listed size 24"x6" is for inside duct opening measurement, actual outside dimension is 25. 75"x7. 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