Aluminum Cube Core Return Air Filter Grille with Plenum Box - 24" x 24" T-Bar Lay-in Drop Ceiling 1-Way actual front end outer dimensions

actual front end outer dimensions are approximately 16 5/8" width X 20 5/8" height

oxidation & rust from water & moisture that lasts longer requiring less maintenance – Save money with this energy efficient material

75"H – fits a 24" X 10" duct opening

+ Product Details Outer dimensions: 13

Aluminum Cube Core Return Air Filter Grille with Plenum Box - 24" x 24" T-Bar Lay-in Drop Ceiling 1-Way actual front end outer dimensionsFor Lay In T Bar Ceiling High Quality Aluminum Construction SAVE MONEY ON YOUR BILL PRESERVE YOUR HVAC UNIT Highest Rate Of Air Flow Efficiency Easy Unrestricted Air Flow For Your HVAC System 1 2" x 1 2" x 1 2" Cube Core Offers 90% Free Area Concealed Hinges and Latches to achieve a clean and modern look R6 Fiberglass Back Plenum accepts 6" to 18" Round Spin in Collars or Start Collars (not included) Accepts 1" disposable filter (not included)