Rectangular Duct End Cap | 28" X 10" End Cap Compatible With Duct 5in + Product Details Size –

+ Product Details Size – 18" x 26" or 26" x 18" is the size for the duct opening measurement only

Actual Filter Size – 35 3/4"w x 27 3/4" x 1"

High Quality – A uniquie combination of cotton & synthetic fibers gives you the most filtration and the least air resistance - equals great air & easy airflow for your system

Design – Premium plated finish and modern contempo design forming a luxurious and impressive piece for your home

Rectangular Duct End Cap | 28" X 10" End Cap Compatible With Duct 5in + Product Details Size –+ Product Details Size Duct end cap is 28" 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.