Black T-Bar Drop Ceiling Grille - Flat Plate Plaque Diffuser - 24" x 24" - 14" Collar Compatible With Duct 8in + Product Description Introducing our

+ Product Description Introducing our 16" x 30" or 30" x 16" Floor Grille - a reliable and durable air grill designed for exceptional performance and built to last

+ Product Description Introducing our 18" x 24" or 24" x 18" Floor Grille - a reliable and durable air grill designed for exceptional performance and built to last

+ Product Details Size - 34"w X 6"h X 2"d (for duct opening measurement only)

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Black T-Bar Drop Ceiling Grille - Flat Plate Plaque Diffuser - 24" x 24" - 14" Collar Compatible With Duct 8in + Product Description Introducing our+ 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 14" 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