Rectangular Duct End Cap | 12" X 12" End Cap Aluminum Bar screws same color as vent

screws same color as vent cover

+ Product Details Size – 20"w X 18"h is the size for the duct opening measurement only

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For a visual guide on how to measure your vent hole before ordering a grille

These components are designed to enhance your HVAC system's performance while minimizing maintenance needs and reducing utility costs

Rectangular Duct End Cap | 12" X 12" End Cap Aluminum Bar screws same color as vent+ Product Details Size Duct end cap is 12" 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.