Rectangular Duct End Cap | 18" X 10" End Cap Color_R-4.2 Yellow + Product Details Size –

+ Product Details Size – 12"w X 14"h is the size for the duct opening measurement only

+ Product Details Size - 6"w X 34"h X 2"d (for duct opening measurement only)

Design – Unrestricted airflow for your HVAC system - adjustable one-way louver with full horizontal airflow directional control - single deflection supply grill with 96% airflow - noise free components - no vibrating louvers etc

Actual Filter Size – 33 3/4"w x 27 3/4" x 1"

actual front end outer dimensions are approximately 27 5/8" width X 12 5/8" height

Rectangular Duct End Cap | 18" X 10" End Cap Color_R-4.2 Yellow + Product Details Size –+ Product Details Size Duct end cap is 18" 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.