Black T-Bar Drop Ceiling Grille - Flat Plate Plaque Diffuser - 24" x 24" - 6" Collar Color_R-4.2 Yellow providing a reliable connection for

providing a reliable connection for 8" round ducts

25" X 5" galvanized floor boot end center 26-gauge

engineered for seamless 360-degree airflow in T-bar ceilings

actual front end outer dimensions are approximately 30 5/8" width X 10 5/8" height

actual front end outer dimensions are approximately 18 5/8" width X 30 5/8" height

Black T-Bar Drop Ceiling Grille - Flat Plate Plaque Diffuser - 24" x 24" - 6" Collar Color_R-4.2 Yellow providing a reliable connection for+ Product Details Size 24"w X 24"h. These are specially sized to fit into all drop ceilings, also called T Bar systems. Can be hooked up with our "Butterfly Dampers" for precise airflow control. For 6" duct opening High Quality Heavy gauge all steel construction. Installation Location Ceiling. Design These Supply Diffusers with integral round necks are recommended for heating, ventilating and cooling. Round neck to square face construction results in