Floor Diffuser; Type Rolled Fin, Heavy Gauge Stamped Face; Overall Dimensions 13-1/2 Inch Length x 5-1/2 Inch Width; Actuation Type Foot Operated Dial Control; Material Heavy Gauge Steel; Finish/Color Bright White Enameled; Inclusions/Features Multi-Angled Fin; Nominal Size 4 Inch Width x 12 Inch Length; Air Flow Rating 60 to 195 CFM; Free Area Size 32 Square Inch; Application Residential