Rectangular Duct End Cap | 8" X 4" End Cap Drop Ceilings / Lay-In you can watch this informative

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

+ Product Details Size – 14"w X 6"h is the size for the duct opening measurement only

+ Product Details Size – 32" x 36" or 36" x 32" is the size for the duct opening measurement only

Featuring a generous 50' length

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

Rectangular Duct End Cap | 8" X 4" End Cap Drop Ceilings / Lay-In you can watch this informative+ 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.