Rectangular Duct End Cap 24" X 8" End Cap 26-Gauge Galvanized Steel Metal #REF! + Product Description This aluminum

+ Product Description This aluminum flex duct is intended to be used in heating

[Outer Dimensions: 26

actual front end outer dimensions are approximately 17" width X 17" height -

this vent cover provides superior durability while maintaining a sleek

+ Product Details Size - 30"w X 40"h is the size for the duct opening measurement only

Rectangular Duct End Cap 24" X 8" End Cap 26-Gauge Galvanized Steel Metal #REF! + Product Description This aluminumAbout this item: MATERIAL QUALITY Our rectangular duct cap is made of high quality galvanized sheet metal material (galvanized steel construction for durability and rust prevention) SIZE & SPECS The size of a Duct End Cap is 24 X 8. 26 gauge galvanized steel end cap, rectangular shape. 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