Rectangular Duct End Cap | 16" X 10" End Cap Rectangular Duct Caps please note that the total

please note that the total outer dimensions of the grille measure 6" in diameter

We carry sizes the big box stores don't

fits securely onto standard 5/8 in

+ Product Details Size - 28"w X 24"h X 2"d (for duct opening measurement only)

construction

Rectangular Duct End Cap | 16" X 10" End Cap Rectangular Duct Caps please note that the total+ Product Details Size Duct end cap is 16" X 10" 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.