Rectangular Duct End Cap | 8" X 4" End Cap steel Design – Circular return valves

Design – Circular return valves - designed to be used in low and medium pressure ventilation air conditioning systems

+ Product Details Perfect Fit & Easy Sizing - Designed for a 28" x 10" OR 10" x 28" duct opening (measured at the opening)

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Rectangular Duct End Cap | 8" X 4" End Cap steel Design – Circular return valves+ 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.