Rectangular Duct End Cap | 10" X 8" End Cap Color_Aluminum allowing a seamless transition from

allowing a seamless transition from large round or rectangular ducts to thin

+ Product Spec Sheet Lay-In 3 Coned Spec Sheet

actual front end outer dimensions are approximately 21 5/8" width X 33 5/8" height

But the benefits don't stop there

Rectangular Duct End Cap | 10" X 8" End Cap Color_Aluminum allowing a seamless transition from+ Product Details Size Duct end cap is 10" X 8" 26 gauge galvanized steel end cap, rectangular shape. Premium Quality Our rectangular duct cap is made of high quality galvanized sheet metal material (galvanized steel construction for durability and rust prevention). Made in the USA. Applications The product is used for stopping all types of fittings and also used to terminate a rectangular duct run in an HVAC application with a rectangular duct cap.