Signature Hardware Honeycomb Cast Iron Floor Register

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