Door Frame Weatherstrip, Insert Type Flexible Nylon Brush, Insert Material Nylon Brush, Insert Color Gray, Insert Size 7/16 in, Flange Material Anodized Aluminum, Flange Finish Aluminum, Flange Height 3/4 in, Flange Width 3/4 in, Flange Thickness 1/16 in, Overall Length 4 ft, Overall Width 1 1/4 in, Stays Flexible to -70 Degrees to 425 Degrees F, Projection 9/16 in, Mounting Type Surface, Max. Door Gap 1/8 in, Fire Rated 3 hr, For Use With 48 in W Doors