Rectangular Duct End Cap | 22" X 10" End Cap 4" Diameter The first number in a

The first number in a access panel size represents the width

+ Product Details Size – 24" x 24" with 10" collar T-Bar drop ceiling perforated return grill - metal back casing

+ Product Details Size - 20"w X 28"h X 2"d (for duct opening measurement only)

Actual Front End Outer Dimensions Are 8" Diameter

actual front end outer dimensions are approximately 36 5/8" width X 24 5/8" height

Rectangular Duct End Cap | 22" X 10" End Cap 4" Diameter The first number in a+ Product Details Size Duct end cap is 22" 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.