Rectangular Duct End Cap | 16" X 12" End Cap 6in diameter + Product Details Size –

+ Product Details Size – 12" x 18" or 18" x 12" is the size for the duct opening measurement only

our damper is designed to perfectly align with your setup

Powder-coat finish – Smooth

Material – 1680D Polyester + Product Description Introducing the Ultimate Heavy-Duty Open Top Tool Bag

Crafted from strong and sturdy steel with a powder-coat finish

Rectangular Duct End Cap | 16" X 12" End Cap 6in diameter + Product Details Size –+ Product Details Size Duct end cap is 16" 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.