Brush Door Sweep Type Brush Flange Material Anodized Aluminum Flange Height 1 3/8 in Insert Size 1 3/4 in Projection 1/2 in Length 4 ft Insert Material Nylon Brush Insert Color Gray Standards ANSI/UL10B ANSI/UL10C (Catgory H) ANSI/UL1784 CAN4/ULC-S104