Rectangular Duct End Cap | 28" X 8" End Cap Return Grille 8" Circular Round Aluminum HVAC

8" Circular Round Aluminum HVAC Supply Grille Air Diffuser - With Butterfly Damper - Vent Duct Cover

+ Product Details Compatible replacement for WC‑15 series speed controllers

+ Product Details Size - 6"w X 32"h X 2"d (for duct opening measurement only)

2" X 12" Is The Size For The Duct Opening (floor/vent hole) Measurement Only

+ Product Details Size - 24"w X 34"h X 2"d (for duct opening measurement only)

Rectangular Duct End Cap | 28" X 8" End Cap Return Grille 8" Circular Round Aluminum HVAC+ 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.