Rectangular Duct End Cap |- 14" X 12" End Cap Return + Product Details Size –

+ Product Details Size – 22" x 34" or 34" x 22" is the size for the duct opening measurement only

+ Product Details Size - 14"w X 12"h X 2"d (for duct opening measurement only)

This access door boasts a spring-loaded locking mechanism

If you still have the fiberglass low quality filter that is below MERV 4

Say goodbye to worries about detachment - our magnetic vent covers hold firmly in place

Rectangular Duct End Cap |- 14" X 12" End Cap Return + Product Details Size –+ Product Details Size Duct end cap is 14" X 12" 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.