Lay-in Ceiling Diffuser Drop Ceiling Aluminum Cube Core Return Air Filter Grille with Air - Bull' Eye Back - 24 x 24$$Tools & Hardware Other

For 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) - Recommended Size: 20" x 20" x 1" Quality Packaging - Carefully Shrink Wrapped With Solid Cardboard Backing To Prevent Damage In Shipment - Hand Inspected for Quality