HVAC Premium 18w X 18h 4Way Aluminum Curved Blade Adjustable Air Supply HVAC Diffuser Vertical Horizontal Direction Vent Duct Cover [Outer Dimensions 19.75w X 19.75h]-Fast Shipping

Description

18″w X 18″h Is The Size For The Duct Opening Measurement Only, Actual Front End Outer Dimensions Are 19.65″ Width X 19.65″ Height – SEE BELOW IN DESCRIPTION HOW TO MEASURE A GRILLE

Never Rust – High Quality Rigid Aluminum

4-Way Adjustale Louvers – Full Control Vertical/Horizontal Airflow Direction

Rigid Design – Noise Free Components – No Vibrating Louvers Etc.

replacement-furnace-filters