Signature Hardware 917438-4-8 Honeycomb Cast Iron Floor Register - Black 4x22 x 8x22 (5x22 x 9-1/8x22 Overall) Black Vent Covers

4" x 8" Signature Hardware 917438-4-8 Features:Made of cast ironTo determine size needed, measure the actual air duct opening rather than the old register or grilleCovered under Signature Hardware's 10 year limited warrantySignature Hardware 917438-4-8 Specifications:Length: 9-1/8"Width: 5"Duct Size: 4" x 8" Pattern Black