Rectangular Duct End Cap | 10" X 4" End Cap White + Product Details Size -

+ Product Details Size - 12"w X 36"h X 2"d (for duct opening measurement only)

Efficient Airflow Design: The slots are meticulously angled to diversify airflow in two directions

+ Product Details Size & Compatibility – The size of the wall angle register boot is 10" X 6" X 7" and it is compatible with duct 7"

+ Product Details Perfect Fit & Easy Sizing - Designed for a 20" x 14" OR 14" x 20" duct opening (measured at the opening)

actual front end outer dimensions are approximately 22 5/8" width X 22 5/8" height

Rectangular Duct End Cap | 10" X 4" End Cap White + Product Details Size -+ Product Details Size Duct end cap is 10" 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.