12"W x 20"H

Item No:	Size (Duct Opening)	Neck Size	Material	Outer Dimensions	Color	Airflow Direction	Bulk Pricing						Order
Item No:	Size (Duct Opening)	Neck Size	Material	Outer Dimensions	Color	Airflow Direction	1	2-10	11-20	21-49	50+	100+	Order
510102-6	12"W x 20"H		Steel	13-3/4"W X 21-3/4"H	Brown		$53.59	$45.56	$42.88	$40.20	$37.52		Quantity for 12"x20" Heavy Duty Return Air Floor Grille \| Walkable Brown \| Out. Dim.: 13-3/4"W X 21-3/4"H
110101-9	12"W x 20"H		Steel	13-3/4"W X 21-3/4"H	White		$34.69	$29.49	$27.76	$26.02	$24.29		Quantity for Steel Return Air Grille – HVAC Cold Air Intake Vent Cover, White \| Out. Dim.: 13-3/4"W X 21-3/4"H
110103-4	12"W x 20"H		Aluminum	13-3/4"W X 21-3/4"H	White		$47.49	$40.37	$38.00	$35.62	$33.25		Quantity for 12" x 20" [Duct Opening] Aluminum Return Air Grille \| Rust Proof Eggcrate Vent Cover Grill for Sidewall and Ceiling, White \| Outer Dimensions: 13.75" X 21.75"

Let's get the fit right the first time