Best Seller | AMERICAN LOUVER STR-C-14BK 14 in Square 3 Cone Ceiling Diffuser, Black Diffuser, Mounting Style Lay-In, Mounting Location Ceiling, Product Type Ceiling Diffuser, Overall Depth 6 3/8 in, Overall Height 23 3/4 in, Overall Width 23 3/4 in, Duct Size 14 in, Face Type Square Cone, Adjustable Blades No, Color Black, Material... ... more AMERICAN LOUVER STR-C-14BK 14 in Square 3 Cone Ceiling Diffuser, Black Diffuser, Mounting Style Lay-In, Mounting Location Ceiling, Product Type Ceiling Diffuser, Overall Depth 6 3/8 in, Overall Height 23 3/4 in, Overall Width 23 3/4 in, Duct Size 14 in, Face Type Square Cone, Adjustable Blades No, Color Black, Material... | | $81.99 go to store |