Door Bottom, Powder Coated Finish, Insert Size 9/16 in, Flange Height 1 1/8 in, Width 1 3/4 in, Length 48 in, Projection 9/16 in, Insert Material ECO V Bio Based, Color Dark Brown, Performance Heavy Duty, Insert Color Dark Brown, Flange Material Vinyl, Hardware Included, For Use With 48 in Wide 1-3/4 in Doors, Standards Air Infiltrated ASTM E-283 Rate of Leakage, Certified Green Guard Gold, Sound Tested ASTM E90, UL Fire Rate 10C Posative Pressure, UL Fire Rating UL10C