Use our astragal brush kits on wood or metal doors for conserving energy, preventing air infiltration and keeping out those unwanted pests. A perfect fit to seal that gap where your two doors meet. Our kits feature a 3/8" high quality nylon brush with a durable, straight aluminum holder that is 5/8" wide. Clear (silver) anodized finish compliments your jamb design and finish. Kits include 2-84" lengths and will seal gaps up to 5/8". Holders are pre-slotted for easy installation and adjustment. All kits include fasteners for easy installation. UL 28HS label for 3-hr fire doors available upon request