Rectangular Duct End Cap | 8" X 4" End Cap Drop Ceilings / Lay-In Mounted with frame and bayonet

Mounted with frame and bayonet joint which are included

With its practical roll-formed lock construction on all four sides

Air Flow – Ensure a quiet and smooth HVAC system with noise-free components

you can watch this informative video tutorial: How to Measure Your Vent Hole Before Ordering a Grille

Rectangular Duct End Cap | 8" X 4" End Cap Drop Ceilings / Lay-In Mounted with frame and bayonet+ Product Details Size Duct end cap is 8" 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.