Rectangular Duct End Cap | 20" X 8" End Cap Width_26in + Product Details Size –

+ Product Details Size – 20"w X 10"h pleated MERV 8 filter for HVAC return filter grille - 3 Pack

Actual Filter Size – 23 3/4"w x 15 3/4" x 1"

875" width X 15

+ Product Details Size & Compatibility – The size of the side round ceiling box is 12" X 12" X 8" and it is compatible with duct 8"

Installation – Easy to Install

Rectangular Duct End Cap | 20" X 8" End Cap Width_26in + Product Details Size –+ Product Details Size Duct end cap is 20" 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.