Aluminum Fixed Bar Return Air Filter Grille with Plenum Box - 24 x 24 T-Bar Lay-in Drop Ceiling 10" Diameter our bracket ensures guaranteed security

our bracket ensures guaranteed security with a robust crossbar and securely bolted L-shaped arms using high-grade 8

[Outer Dimensions: 18

+ Product Details Size – 32"w X 25"h is the size for the duct opening measurement only

+ Product Details Size - 8"w X 26"h X 2"d (for duct opening measurement only)

+ Product Details Size - 20"w X 16"h X 2"d (for duct opening measurement only)

Aluminum Fixed Bar Return Air Filter Grille with Plenum Box - 24 x 24 T-Bar Lay-in Drop Ceiling 10" Diameter our bracket ensures guaranteed securityPre 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 Aluminum 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