Rectangular Duct End Cap | 6" X 4" End Cap 10" Diameter Example: If your hole is

Example: If your hole is 20" wide by 14" tall

Provides a more sleek

catering to every application

The convenient Velcro front pocket and side pockets make it easy to access immediate items and smaller tools when you need them most

Rectangular Duct End Cap | 6" X 4" End Cap 10" Diameter Example: If your hole is+ Product Details Size Duct end cap is 6" X 4" 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.