Rectangular Duct End Cap | 18" X 6" End Cap white + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 22" x 8" OR 8" x 22" duct opening (measured at the opening)

+ Product Details Size – 14" x 20" or 20" x 14" is the size for the duct opening measurement only

This versatile diffuser is available in 1-way

Design – removable door/face for easy filter change & cleaning - uses a 1" thick filter

Rectangular Duct End Cap | 18" X 6" End Cap white + Product Details Perfect Fit+ Product Details Size Duct end cap is 18" X 6" 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.