Black T-Bar Drop Ceiling Grille - Flat Plate Plaque Diffuser - 24" x 24" - 6" Collar w32h32 making it a reliable choice

making it a reliable choice for improving indoor air quality

+ Product Description Introducing our 8" x 20" or 20" x 8" Floor Grille - a reliable and durable air grill designed for exceptional performance and built to last

+ Product Details Size - 26"w X 36"h is the size for the duct opening measurement only

25" X 20"opening dimension (vent opening) - actual total grille size is approx

+ Product Details Size – 6" x 30" or 30" x 6" is the size for the duct opening measurement only

Black T-Bar Drop Ceiling Grille - Flat Plate Plaque Diffuser - 24" x 24" - 6" Collar w32h32 making it a reliable choice+ 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