10"W x 3"H

Item No:	Nominal Size	Size (Duct Opening)	Model	Slots	Neck Size	Actual Size	Material	Outer Dimensions	Color	Bulk Pricing						Order
Item No:	Nominal Size	Size (Duct Opening)	Model	Slots	Neck Size	Actual Size	Material	Outer Dimensions	Color	1	2-10	11-20	21-49	50+	100+	Order
510101-20		3"W x 10"H					Steel	4-3/4"W X 11-3/4"H	White	$21.89	$20.80	$20.14	$19.49	$18.61		Quantity for 3"x10" White Steel Floor Register, Walkable Heavy-Duty Louvered Vent Cover with Damper
510101-11		3"W x 10"H					Steel	4-3/4"W X 11-1/2"H	Brown	$17.69	$15.04	$14.16	$13.27	$12.39

Let's get the fit right the first time