Steel Fixed Bar Return Air Filter Grille with Plenum Box - 24 x 24 T-Bar Lay-in Drop Ceiling Rectangular Duct Caps Scratch-Resistant Finish - The powder-coated

Scratch-Resistant Finish - The powder-coated surface offers a smooth

Installation – Easy installation - just screw the sides of the access panel frame into your duct/hole – see photos for example

Easily reach in and grab what you need immediately

+ Product Details Size – 30" x 36" or 36" x 30" is the size for the duct opening measurement only

Steel Fixed Bar Return Air Filter Grille with Plenum Box - 24 x 24 T-Bar Lay-in Drop Ceiling Rectangular Duct Caps Scratch-Resistant Finish - The powder-coatedPre scored Outlines per Diameters from 6" 18" Outer Dimensions 23. 75" x 23. 75" Plenum Box Depth 5. 25" Plenum Size 20x20 Filter Size to be used: 20x20x1 For Lay In T Bar Ceiling High Quality Steel Construction 2 3" bar spacing Horizontal bars are fixed at 45 degrees for Great Airflow Dynamics 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