Rectangular Duct End Cap | 28" X 8" End Cap 9" Round Duct Pipe actual front end outer dimensions

actual front end outer dimensions are approximately 36 5/8" width X 32 5/8" height

High Quality – High grade steel construction

+ Product Description Enhance your HVAC system with our premium Aluminum Double Deflection Adjustable Air Supply Diffuser

or HVAC system (actual size: 21

Rectangular Duct End Cap | 28" X 8" End Cap 9" Round Duct Pipe actual front end outer dimensions+ Product Details Size Duct end cap is 28" X 8" 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.