Rectangular Duct End Cap | 18" X 12" End Cap 10 Feet Long actual front end outer dimensions

actual front end outer dimensions are approximately 34 5/8" width X 22 5/8" height

+ Product Details Size – 16" x 16" is the size for the duct opening measurement only

oxidation & rust from water & moisture that lasts longer requiring less maintenance – Save money with this energy efficient material

+ Product Details Size - 22"w X 6"h X 2"d (for duct opening measurement only)

+ Product Details Size - 12"w X 8"h is the size for the duct opening measurement only

Rectangular Duct End Cap | 18" X 12" End Cap 10 Feet Long actual front end outer dimensions+ Product Details Size Duct end cap is 18" X 12" 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.